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Unit 1 Test Review

Total questions: 185

Worksheet time: 4hrs 4mins

Name
Class
Date
1.
What is a factor that is measured for change in an experiment?
a)
control
b)
constant
c)
independent variable
d)
dependent variable
2.
What is the factor that an experimenter changes on purpose?
a)
Dependent Variable
b)
Independent Variable
c)
Constant
d)
Control
3.
The part of the experiment that does not contain the independent variable. Used for comparison.
a)
Control Group
b)
Experimental Group
c)
Results
d)
Data
4.
What are all the things that are kept the same in an experiment?
a)
controls
b)
data
c)
constants
d)
independent variables
5.
What is the effect of salt water on the average of the height of the 3 tallest blades of grass?
What is the independent variable in the above question?
a)
salt water
b)
height
c)
average
d)
effect
6.
What is an if....then statement that predicts the outcome of an experiment or how the Independent variable effects the dependent variable?
a)
Conclusion
b)
Materials
c)
Hypothesis
d)
Problem
7.

Your teacher has asked you to perform an experiment to see if the shape of objects, alone, affects the motion of objects. Which of the following would be the best experiment to perform?

a)

Apply the same amount of force to a ball, cylinder, cube, and pyramid, each of the same mass.

b)

Apply the same amount of force to balls of different mass

c)

Apply the same amount of force to a ball, cylinder, cube, and pyramid, each of a different mass.

d)


Apply different amounts of force to the same ball.

8.


In a controlled scientific experiment, a scientist...

a)

alters the outcome variable (dependent variable) and observes the effects on the test variable (independent variable).

b)

alters one test variable (independent variable) and observes the effects on other test variables (independent variables).

c)

alters the test variable (independent variable) and observes the effects on the outcome variable (dependent variable).

d)


alters one outcome variable (dependent variable) and observes the effects on other outcome variable (dependent variables).

9.

You have decided to do an experiment to learn if a certain type of cactus will grow better in a dark closet or a sunny window. To begin your experiment, you place one cactus in a dark closet and one cactus in a sunny window. Over the next month, you record data about the cacti and their appearance every day. At the end of the month, you determine that the cactus in the sun is alive but didn’t grow and that the cactus from the dark closet is alive and grew one centimeter. Can you conclude that a dark closet is better for this type of cacti’s growth?

a)

No, you need to repeat an experiment multiple times before accepting a conclusion.

b)

Yes, one cactus can accurately reflect the behavior of all similar cacti.

c)

Yes, when you are a student your results will be accepted on small-scale studies.

d)

No, you need to use one cactus in both conditions.

10.

Maggie loves fresh brownies. Her grandma told her if she placed a piece of bread in the storage container with the brownies, the brownies will stay fresh and moist longer. Maggie decides to test this idea. She bakes a batch of brownies. She places 6 brownies in 6 individual plastic containers. Each brownie is the same size and placed in the same location. She adds a piece of bread to three of the bread containers and leaves the other three alone. Each day for 3 weeks she measures the moistness of the brownies and records the results. What is the independent variable?

a)

moistness of brownies

b)

the bread

c)

the containers

d)

brownies

11.
Is 20 g greater than, less than, or equal to 2 kg?
a)
greater than
b)
less than
c)
equal to
12.
Is 4,000 mg greater than, less than, or equal to 4 g?
a)
greater than
b)
less than
c)
equal to
13.
Is 11 g greater than, less than, or equal to 1,100 mg?
a)
greater than
b)
less than
c)
equal to
14.

What is the basic unit of mass in the metric system?

a)

Liter

b)

Meter

c)

Gram

d)

Kilometer

15.
Which unit is a a measure of volume?
a)
meters
b)
grams
c)
inches
d)
liters
16.
Which unit is the smallest?  
a)
km
b)
mm
c)
m
d)
cm 
17.

Select the largest unit.

a)

kilogram

b)

centigram

c)

decigram

d)

decagram

18.

What is the basic unit of length/distance in the metric system?

a)

Liter

b)

Meter

c)

Gram

d)

Kilometer

19.
What are the three base units?
a)
mass,length,grams
b)
meters,length,grams
c)
measuring,liters,games
d)
meters,liters,grams
20.

What unit of measurement is the biggest?

a)

Millimeters

b)

Meters

c)

Kilometers

d)

Centimeters

21.

Which unit of measurement is the smallest?

a)

Millimeters

b)

Kilometers

c)

Centimeters

d)

Meters

22.

What is the basic unit of mass in the metric system?

a)

Liter

b)

Meter

c)

Gram

d)

Kilometer

23.

Which of the following is the correct abbreviation for Kilogram?

a)

Kg

b)

Hg

c)

Km

d)

Kl

24.

Which of the following is the correct abbreviation for millimeter?

a)

mm

b)

ml

c)

mg

d)

m

25.

Which of the following are using the prefix deka?

a)

dag

b)

dam

c)

dg

d)

dm

26.

Which abbreviation represents Liter?

a)

l

b)

ll

c)

m

d)

t

27.

What is the abbreviation decimeter

a)

Km

b)

m

c)

d

d)

dm

28.

What is the correct order to use when converting metric units

a)

Klmgcm

b)

Kbdcm

c)

KHDbdcm

d)

mcdbDHK

29.
?
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
30.
A set of data are all close to each other, and they are close to the actual value.  This set of data can be described as...
a)
accurate
b)
precise
c)
both precise and accurate
31.
Which of the following best describes the motion of the squirrel between 5 s and 8 s? 
a)
The squirrel's speed increased.
b)
The squirrel's speed decreased.
c)
The squirrel's speed did not change.
d)
The squirrel moved backward.
32.
Which of the following statements about the motion of the squirrel is true?
a)
The squirrel moved with the greatest speed between 0 s and 5 s.
b)
The squirrel moved with the greatest speed between 8 s and 10 s.
c)
The squirrel moved with a constant speed between 0 s and 8 s.
d)
The squirrel moved with a constant speed between 5 s and 10 s.
33.
What is the relationship between the independent variable and the dependent variable?
a)
As time increase, distance decreases
b)
As time increases, distance increases
c)
As time decreases, distance decreases
d)
As time decreases, distance increases
34.
What would be the best scale for this data?
Days       Cm
  1            1.0
  2            3.5
  3            5.0
  4            8.5
a)
count by fives to 10
b)
count by tens to 100
c)
count by ones to 5
d)
count by ones to 10
35.
What is the control for the experiment? 
a)
the thing being tested
b)
the normal situation
c)
what we measure in the end
d)
what we change 
36.
What is a constant? 
a)
the normal situation
b)
the thing we measure in the end
c)
the thing we are testing
d)
the thing we keep the same for every part of the experiment
37.
The measurement system used by scientist around the world.
a)
metric system
b)
customary systerm
c)
calorie system
d)
science system
38.
Mass is the measurement of the amount of
a)
weight
b)
inertia
c)
force
d)
matter
39.

Which variable of a graph does the scientist control

a)

Dependent variable

b)

Independent variable

c)

sign variable

d)

respect variable

40.

Which axis does the dependent variable go on?

a)

z

b)

y

c)

x

d)

p

41.

Which of the following is not part of a graph

a)

Best fit line

b)

Title

c)

Scale

d)

All are part of a graph

42.
Which one is not in the metric system?
a)
Kilometer
b)
Yard
c)
Centimeter
d)
Meter
43.

Horseplay and practical jokes in the lab are

a)

Always against the rules

b)

Okay

c)

Not Dangerous

44.

Which of the following is NOT an acceptable way to determine the identity of a chemical?

a)

Sight

b)

Reading the label

c)

Asking the teacher

d)

Taste

45.

There is a fire extinguisher in the lab

a)

True

b)

False

46.

Which of the following should you always do before leaving the lab?

a)

Read the lab

b)

Ask the teacher what to do

c)

Clean up your materials

d)

Put your goggles on

47.
Substance that consists of one type of atom.  It is a pure substance. Found on the Periodic Table. 
a)
Element
b)
Compound
c)
Mixture
d)
I don't know
48.

A type of substance containing atoms of two or more elements chemically bonded together is a mixture.

a)

True

b)

False

49.
Combinations of 2 or more substances (elements and compounds) that are physically blended together. 
a)
Compound
b)
Mixture
c)
Element
d)
Substance
50.
If a mixture has components you can see it is a...
a)
solution
b)
compound
c)
homogeneous mixture
d)
heterogeneous mixture
51.
Italian Salad Dressing
a)
heterogeneous mixture
b)
homogeneous mixture
52.
What is Kool-aid?
a)
element
b)
Heterogeneous Mixture
c)
Homogeneous Mixture
d)
Compound
53.

A Mixture is defined as

a)

A combination of two or more substances that are not chemically combined

b)

A combination of compounds that are chemically bonded

c)

2 or more elements chemically bonded

54.
Stainless steel
a)
Heterogeneous
b)
Homogeneous
55.

Spaghetti Sauce

a)

HOMOGENEOUS

b)

HETEROGENEOUS

56.

Pure Air

a)

HOMOGENEOUS

b)

HETEROGENEOUS

57.
What is the universal solvent?
a)
salt
b)
sugar
c)
water
d)
ice
58.
__________ are made up of solutes and solvents.
a)
Solutions
b)
Suspensions
c)
Heterogeneous Mixtures
d)
Pure Substances
59.

The substance being dissolved is called the ________

a)

solvent

b)

solid

c)

solute

d)

solvate

60.

In which of the following do particles sit at the bottom

a)

Solution

b)

Suspension

c)

None of the above

d)

Colloid

61.

The properties of a compound are different from the elements that make them up.

a)

True

b)

False

62.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
63.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
64.

A substance that is made up of only one kind of atom is a(n)

a)

compound

b)

homogeneous mixtures

c)

element

d)

solution

65.
An element is a pure substance that can't be separated into anything more simpler by physical or chemical means. Gold is an element because it only contains gold atoms. Water is not an element because it contains hydrogen and oxygen atoms.
Gold is an element because it only contains gold atoms.
True or False?
a)
True
b)
False
66.

Which of these is an element?

a)

Salt (NaCl)

b)

Water (H20)

c)

Oxygen (O)

d)

Carbon Dioxide (CO2)

67.
A compound consists of two or more elements bound together.
a)
True
b)
False
68.

Both elements and compounds are pure substances.

a)

Agree

b)

Disagree

69.

Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is ---

a)

a gas at room temperature.

b)

made of two different elements.

c)

given off by green plants.

d)

useful to human beings

70.
Element or Compound?
Au
a)
Element
b)
Compound
71.

Can be broken down into a simpler substance

a)

Elements

b)

Compounds

c)

Both

72.
Element or Compound?
Salt (NaCl)
a)
Element
b)
Compound
73.
What does it mean if a mixture is heterogeneous?
a)
you can see the different parts
b)
cannot tell one part from another
c)
very well blended
d)
made of elements
74.
What does it mean if a mixture is homogeneous?
a)
you can see the different parts
b)
cannot tell one part from another
c)
chunks of particles
d)
made of elements
75.
What type of mixture is this?
a)
heterogeneous 
b)
homogeneous
76.
What type of mixture is this?
a)
heterogeneous 
b)
homogeneous
77.
What type of mixture is this?
a)
heterogeneous 
b)
homogeneous
78.
What type of mixture is this?
a)
heterogeneous 
b)
homogeneous
79.

Which of the following is a pure substance?

a)

carbon

b)

pizza

c)

salad

d)

sand

80.
Two or more substances mingled together, but not chemically combined are known as a
a)
residue
b)
solution
c)
distillate
d)
mixture
81.

What is the smallest unit of matter? It is composed of protons and neutrons, held together in the nucleus, and electrons around the nucleus in different electron orbitals, which form an electron cloud.

a)

cell

b)

nucleus

c)

atom

d)

electron

82.

Chemistry is the study of

a)

Mass

b)

Space

c)

Matter

d)

Density

83.
What does it mean if a mixture is heterogeneous?
a)
you can see the different parts
b)
cannot tell one part from another
c)
very well blended
d)
made of elements
84.
What does it mean if a mixture is homogeneous?
a)
you can see the different parts
b)
cannot tell one part from another
c)
chunks of particles
d)
made of elements
85.

What is this?

a)

Element

b)

Compound

c)

Heterogeneous MIxture

d)

Homogeneous Mixture

86.
a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous MIxture

87.

What is it?

a)

Pure Substance

b)

Mixture

88.
a)

Pure Substance

b)

MIxture

89.

What is it?

a)

Pure Substance

b)

Mixture

90.
Elements and compounds are always ___.
a)
pure
b)
mixed
91.
What is a substance that is dissolved in another substance? 
a)
solution
b)
solute
c)
solvent
d)
compound
92.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
93.
air is a 
a)
compound
b)
element
c)
heterogeneous mixture
d)
solution
94.
salt water is a 
a)
compound
b)
element
c)
heterogeneous mixture
d)
solution
95.

When mixing a saltwater solution the water is the _____________ and the salt is the _____________

a)

water = solvent, salt = solute

b)

water = solute, salt = solvent

96.
Sugar water
a)
Heterogeneous
b)
Homogeneous
97.

The mass of a lead cube is 64 grams. This is an example of __________.

a)

physical intensive property

b)

physical extensive property

c)

chemical change

d)

physical change

98.
The melting point of ice is 00 C. This is an example of ________.
a)
physical intensive property
b)
physical extensive property
c)
Chemical change
d)
Chemical property
99.
Physical properties of a substance include _________
a)
color and odor
b)
melting and boiling points
c)
density 
d)
all of the choices are correct
100.
Which is an example of a physical property?
a)
ability to react with acid
b)
 color
c)
flammability
d)
ability to react with oxygen
101.
Which property is an example of a chemical property?
a)
The ability to burn
b)
The ability to dissolve
c)
The ability to evaporate
d)
The ability to melt
102.

Density: Chemical or Physical Property?

a)

Chemical Property

b)

Physical Property

103.

Flammability (burns): Chemical or Physical Property?

a)

Chemical Property

b)

Physical Property

104.

Solubility (dissolves): Chemical or Physical Property?

a)

Chemical Property

b)

Physical Property

105.

Properties that can be measured or observed without matter changing to an entirely different substance are called __________.

a)

Chemical Properties of Matter

b)

Physical Properties of Matter

c)

Physical Change

d)

Chemical Change

106.

Properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter are called ___________.

a)

Evaporation

b)

Density

c)

Physical Properties Of Matter

d)

Chemical Properties of Matter

107.
Example for chemical property
a)
color
b)
hardness
c)
toxicity
d)
solubility
108.

Which of the following is an intensive property?

a)

Color

b)

mass

c)

volume

109.
Freezing point is an example of extensive property.
a)
True
b)
False
110.
Does NOT depend on the amount of matter you have
a)
extensive property
b)
intensive property
111.
All of these are examples of chemical properties except...
a)
Flammability
b)
Combusting
c)
Fizzing
d)
Boiling Point
112.

Ductility - the ability to be drawn out into a wire without breaking

a)

chemical property

b)

intensive physical property

c)

extensive physical property

113.

Ability to rust - the ability to form metal oxides (rust)

a)

chemical property

b)

intensive physical property

c)

extensive physical property

114.

Corrosiveness - the ability to eat away at or damage living tissue

a)

chemical property

b)

intensive physical property

c)

extensive physical property

115.

Malleability - the ability to be bent and forged

a)

chemical property

b)

intensive physical property

c)

extensive physical property

116.

Conductivity - the ability to transfer heat or electricity through something

a)

chemical property

b)

intensive physical property

c)

extensive physical property

117.

Hardness - the ability to resist being dented or scratched

a)

chemical property

b)

intensive physical property

c)

extensive physical property

118.

Reactivity - the ability of a substance to cause a chemical reaction

a)

chemical property

b)

intensive physical property

c)

extensive physical property

119.

Volume - the amount of space a substance takes up

a)

chemical property

b)

intensive physical property

c)

extensive physical property

120.

Melting point - the temperature at which a substance changes from a solid to a liquid

a)

chemical property

b)

intensive physical property

c)

extensive physical property

121.

Boiling point - the temperature at which a substance changes from a liquid to a gas

a)

chemical property

b)

intensive physical property

c)

extensive physical property

122.

Density - the ratio of mass to volume of a substance

a)

chemical property

b)

intensive physical property

c)

extensive physical property

123.

Organize these options into the right categories

Categorize the following

mass

density

volume

flammabiity

weight

solubility (ability to dissolve in water)

color

Intensive Property
Extensive Property
124.

Organize these options into the right categories

Categorize the following

weight

boiling point

density

height

Intensive Property
Extensive Property
125.

Organize these options into the right categories

Categorize the following

freezing point

softness

length

width

Intensive Property
Extensive Property
126.

Organize these options into the right categories

Categorize the following

conductivity

temperature

length

density

Intensive Property
Extensive Property
127.

Organize these options into the right categories

Categorize the following

color

temperature

area

length

Intensive Property
Extensive Property
128.
Which state of matter has a definite shape?
a)
solid
b)
liquid
c)
gas
129.

Define a liquid.

a)

Indefinite shape, indefinite volume

b)

Definite shape, definite volume

c)

Definite volume, indefinite shape

130.
The state of matter that has no definite size or shape is
a)
Solid
b)
Liquid
c)
Gas
131.

what are the states of matter

a)

solid, liquid, gas, and plasma

b)

solid, liquid, density, gas

c)

solid, gas, liter, plasma

132.
How many states of matter are there?
a)
4
b)
3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819644288109756659334461284756482337867831652712019091456485669234603486104543266482133936072602491412737245870066063155881748815209209628292540917153643678925903600113305305488204665213841469519415116094330572703657595919530921861173819326117931051185480744623799627495673518857527248
c)
3
d)
SPIDER-CAM
133.
Which physical property is measured in liters?
a)
color
b)
length
c)
mass
d)
volume
134.
Air is an example of a
a)
solid
b)
liquid
c)
gas
135.

Which set of properties, intensive or extensive, are based on the size of a sample?

a)

intensive

b)

extensive

136.

What kind of physical property is this? Color

a)

intensive

b)

extensive

137.

What kind of physical property is this? Temperature

a)

intensive

b)

extensive

138.

What kind of physical property is this? Energy

a)

intensive

b)

extensive

139.

What kind of physical property is this? Number of Atoms

a)

intensive

b)

extensive

140.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
141.
Air
a)
Heterogeneous
b)
Homogeneous
142.
Pizza
a)
Heterogeneous
b)
Homogeneous
143.

All matter is made of what

a)

energy

b)

atoms

c)

electrons

d)

compounds

144.

What kind of physical property is this? Energy

a)

intensive

b)

extensive

145.
Helium is a ____________.
a)
liquid
b)
solid
c)
gas
146.
Sand is a ___________________.
a)
liquid
b)
solid
c)
gas
147.
Gasoline is a ________________.
a)
liquid
b)
solid
c)
gas
148.
______________ does not have a definite shape or volume.
a)
liquid
b)
solid
c)
gas
149.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
150.
When writing a number in scientific notation, the first number must be greater than 1, but less than 10.
a)
False
b)
True
151.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
152.
Express the following in scientific notation:
.000457
a)
457 x 106
b)
457 x 10-6
c)
4.57 x104
d)
4.57 x 10-4
153.
Express the following in scientific notation:
1010.10
a)
1.01010  x 103
b)
1.01010 x 105
c)
1.01010 x 10-3
d)
1.01010 x 10-5
154.
What is the standard form?
1.245 x 103
a)
0.001245
b)
12.45
c)
1245
155.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
156.
How do you write 1.28 x 10-4
a)
0.128
b)
0.0000128
c)
0.0128
d)
0.000128
157.

Is the number 90.00 x 102 in valid scientific notation? Explain why or why not.

4 lines
158.

Is the number 5.4 x 1010 in valid scientific notation? Explain why or why not.

4 lines
159.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
160.
What is 9.3 x 10-3 in standard form? 
a)
.093
b)
.0093
c)
.00093
d)
.000093
161.
What is 7.0 x 10-5 in standard form? 
a)
.0007
b)
.00007
c)
.000007
d)
.0000007
162.
What is 1.1 x 107 in standard form? 
a)
11,000,000
b)
11 x 108
c)
1,100
d)
1.1
163.
Write 3,450,000 in scientific notation.
a)
34.5 x 106
b)
3.45 x 106
c)
3.45 x 107
d)
34.5 x 105
164.
Change from standard form to scientific notation: 12,000,000
a)
12.0  x  107
b)
0.12  x  107
c)
1.2  x  106
d)
1.2  x  107
165.
Change from standard form to scientific notation:  0.000398
a)
39.8  x  10-5
b)
3.98  x  10-5
c)
3.98  x  10-4
d)
39.8  x  10-6
166.
Try to change the number back to standard form:  6.79  x  104
a)
679,000
b)
6,790
c)
67,900
d)
6,790,000
167.

If the exponent on the power of 10 is a positive number...

a)

you will get a large number that is greater than 1

b)

you will get a smaller number that is less than 1

168.

Which of the following numbers is written in correct scientific notation?

a)

64.2⋅10264.2\cdot10^2  

b)

6.42⋅1036.42\cdot10^3  

c)

0.642⋅1040.642\cdot10^4  

d)

62406240  

169.

Which of these numbers is the smallest?

a)

3.5 x107

b)

3 x108

c)

5 x107

d)

5.5 x106

170.

To compare two numbers that are in scientific notation, first compare the​ (a)   . If they are the same, then compare the​ (b)   .​

Choose from the below words
exponents
decimals
171.

Which of these numbers is the greatest?

a)

9 x 109

b)

8.1 x1010

c)

9.02 x109

d)

6.35 x1010

172.

How is the following number written in scientific notation?

450,000

a)

4.5  x  105

b)

45  x  105

c)

4.5  x  104

d)

4.5  x  106

173.

How is the number below written in scientific notation?

0.000398

a)

39.8  x  10-5

b)

3.98  x  10-5

c)

3.98  x  10-4

d)

39.8  x  10-6

174.

Which of the following is the correct way to write 3.97  x  10-2 in standard form?

a)

0.000397

b)

0.0397

c)

0.0000397

d)

0.397

175.

Which is the correct way to write the number 3.5 x 106  in standard notation?

a)

0.0000035

b)

35,000,000

c)

3,500,000

d)

0.00000035

176.
7.82 x 10-6 is an example of scientific notation. The exponent of -6 tells you your number will be very ________.
a)
Large
b)
Small
c)
Basic
177.
7.82 x 10-6 is an example of scientific notation. The exponent of -6 tells you your number will be very ________.
a)
Large
b)
Small
c)
Basic
178.
Change from standard form to scientific notation: 12,000,000
a)
12.0  x  107
b)
0.12  x  107
c)
1.2  x  106
d)
1.2  x  107
179.
Change from standard form to scientific notation:  450,000
a)
4.5  x  105
b)
45  x  105
c)
4.5  x  104
d)
4.5  x  106
180.
Change from standard form to scientific notation: 0.004078
a)
4.078  x  10-3
b)
4.078  x  103
c)
40.78  x  10-4
d)
.4078  x  10-2
181.
125,678,000: Change to scientific notation
a)
1.25678  x  1012
b)
.125678  x  10-9
c)
12.5678  x  108
d)
1.25678  x  108
182.
Try to change the number back to standard form:  6.79  x  104
a)
679,000
b)
6,790
c)
67,900
d)
6,790,000
183.
The factor multiplied by a power of 10 in scientific notation needs to be greater than or equal to one but less than ___________?
a)
1
b)
10
c)
100
d)
1,000
184.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
185.
Which of the following in the LARGEST number?
a)
9 x 106
b)
8 x 1010
c)
1.3 x 1012
d)
5.3 x 103

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