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Unit 1 Review

Total questions: 95

Worksheet time: 5hrs 52mins

Name
Class
Date
1.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
2.
How do you write
8.317 x 106
in standard form?
a)
8, 371, 000
b)
83, 170, 000
c)
837, 100
d)
8, 317, 000
3.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
4.
Convert to scientific notation:
520,000,000  
a)
52 x 107
b)
5.2 x 107
c)
5.2 x 108
d)
0.52 x 109
5.
Arrange the numbers from least to greatest:
216,000,000 ; 2.2 x 103 ; 3.1 x 107 ; 310,000
a)
2.2 x 103 ; 310,000; 3.1 x 107 ; 216,000,000
b)
310,000 ; 2.2 x 103 ; 3.1 x 107; 216,000,000
c)
3.1 x 107 ; 310,000; 2.2 x 103; 216,000,000
d)
2.2 x 103 ; 3.1 x 107 ; 310,000 ; 216,000,000
6.
Divide:
(6.9 x 107) / (2.3 x 10-3)
a)
3 x 1010
b)
3 x 104
c)
3 x 10-4
d)
3 x 10-11
7.
Multiply:
(3.4 x 105)(1.2 x 10-3)
a)
4.08 x 10-8
b)
4.8 x 102
c)
4.08 x 102
d)
4.08 x 10-15
8.
UNDERSTANDING
If the exponent is a negative number...
a)
you will get a large number
b)
you will get a small number
9.
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
10.
Which of the following numbers is the SMALLEST?
a)
8.7 x 103
b)
3 x 104
c)
1.3 x 108
d)
9 x 102
11.
Solve:
(2.2 x 10 4) x (7.1x 10 5)
a)
1.562 x 1010
b)
15.62 x 109
c)
15.62 x 1020
d)
1.562 x 1020
12.
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
13.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)
5 x 104
c)
5 x 103
d)
.5 x 103
14.
What is 9.3 x 10-3 in standard form? 
a)
.093
b)
.0093
c)
.00093
d)
.000093
15.
What is 7.0 x 10-5 in standard form? 
a)
.0007
b)
.00007
c)
.000007
d)
.0000007
16.
What is 2.2 x 10-11 in standard form? 
a)
.00000000002
b)
.0000000002
c)
.000000002
d)
.00000002
17.
What is 3,521 in scientific notation?
a)
3.52 x 103
b)
3.521 x 103
c)
3.5 x 109
d)
1.235 x 10-3
18.
Which of the following numbers has three significant figures?
a)
1014 miles
b)
101 feet
c)
1000 yards
d)
all of the choices
19.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
20.
How many significant figures does the following number have: 0.998005
a)
9
b)
10
c)
6
d)
5
21.
How many significant figures does the following number have: 100.00210
a)
7
b)
5
c)
10
d)
8
22.
Round 0.010229 to four significant figures
a)
1022
b)
1023
c)
0.01023
d)
0.01022
23.
What is 0.658 rounded to 1 significant figure?
a)
0
b)
0.66
c)
0.7
d)
0.658
24.
How many significant figures does the measurement in 10.0 grams have>
a)
1
b)
infinite
c)
3
d)
2
25.
How many significant figures are in the measurement 48032 m?
a)
5
b)
4
c)
3
d)
2
26.
How many significant figures does the following number have: 1740200
a)
4
b)
7
c)
3
d)
5
27.
The teacher reported that she has 15 girls in her class. How many significant figures does the number reported by the teacher have?
a)
infinite
b)
2
c)
15
d)
1
28.
Calculate 5.50 cm + 5.5 cm and give your answer with the correct number of significant figures.
a)
11 cm
b)
11.0 cm
c)
11.00 cm
d)
11.000 cm
29.
Calculate 12.34 + 1.234 + 0.1234 and give your answer with the correct number of significant figures.
a)
13.6974
b)
13.697
c)
13.70
d)
13.7
30.
Calculate 7.987 m - 0.54 m and give your answer with the correct number of significant figures.
a)
7.45 m
b)
7.447 m
c)
7.4 m
d)
7.5 m
31.
Calculate 1.23 m x 0.89 m and give your answer with the correct number of significant figures.
a)
1.0 m2
b)
1.1 m2
c)
1.0947 m2
d)
1.095 m2
32.
Calculate 923 g ÷ 20312 cm3 and give your answer with the correct number of significant figures.
a)
0.04 g/cm3
b)
0.045 g/cm3
c)
0.0454 g/cm3
d)
0.05 g/cm3
33.
Calculate 12.47 m ÷ 3.2 s and give your answer with the correct number of significant figures.
a)
4 m/s
b)
3.9 m/s
c)
3.90 m/s
d)
3.897 m/s
34.
Calculate 0.020 cm x 50 cm x 11.1 cm and give your answer with the correct number of significant figures.
a)
10 cm3
b)
11.1 cm3
c)
11 cm3
d)
11. cm3
35.
All of the following have one significant figure except:
a)
100 cm
b)
0.0001 cm
c)
2 cm
d)
2.00 cm
36.
You know that 12 inches = 1 foot.  Convert 60 inches to feet.
a)
720 feet
b)
5 feet
c)
5 inches
d)
72 feet
37.
You know 1000 mg = 1 g.  Convert 2.5 grams into milligrams.
a)
25 mg
b)
25,000 mg
c)
250 mg
d)
2500 mg
38.

Convert 3.5 gallons into cups. (1gal = 16cups)

a)

56 cups

b)

0.21875 cups

c)

19.5 cups

d)

48 cups

39.
How many gallons are in a pool that holds 758,000 Liters?
(1 gallon = 3.79 Liters)
a)
200
b)
20,000
c)
200,000
d)
2,000,000
40.

Convert 40 ounces to pounds. (16oz = 1lb)

a)

2.5 pounds

b)

.4 pounds

c)

2/5 pounds

d)

5 pounds

41.
The length of a desk is 3.5 feet. How many centimeters is the length? 
(there are 2.54 cm in an inch)
a)
60
b)
120.23
c)
106.68
d)
117.12
42.
How many minutes are in a year?
a)
I can't count that high.
b)
525,600min
c)
52,560min
d)
31,536,000min
43.

How many years are in a 3 months?

a)

0.2 yrs

b)

0.75 yrs

c)

0.50 yrs

d)

0.25 yrs

44.
The Olympic record for the high jump is just over 2.6 yards. What is that distance in feet?  (3 ft=1 yd)
a)
0.867 ft
b)
7.8 ft
c)
8.07 ft
d)
8.27 ft
45.
Convert 15.34 cm to nm.
a)
4351 nm
b)
1.534 nm
c)
1.534 x 10 ^8 nm
d)
15.34 x 10^5 nm
46.

How many hours are in a fortnight (2 weeks)?

1 week = 7 days; 1 day = 24 hours [Note: do not round answer]

a)

672 hours

b)

168 hours

c)

336 hours

d)

504 hours

47.

How many decades are equal to 1.7 x 1025 minutes?

60 min = 1 hour; 24 hours = 1 day; 7 days = 1 week; 52 weeks = 1 year; 10 years = 1 decade

a)

3.2 x 1018 decades

b)

3.2 x 1019 decades

c)

1.2 x 1022 decades

d)

2.3 x 1020 decades

48.

On Dr. Davis' bookshelf, there are 23 science textbooks, each with an average of 31 chapters. If there are 5 pages on average for every chapter, how many total pages are there? (Round your answer to 2 sig figs)

a)

3.6 x 104 pages

b)

36 pages

c)

3.6 x 102 pages

d)

3600 pages

49.

Houston has approximately 2.21 million people. Each person has 2 hands and each hand has 5 fingers. How

many fingers are in Houston? Answer in scientific notation, using the correct number of sig figs.

a)

2.21 x 1011 fingers

b)

2.21 million fingers

c)

2.21 x 106 fingers

d)

2.21 x 107 fingers

50.

A newborn baby eats 8 times a day. At each feeding, he eats 2.5 ounces of formula. How many days will it take

for the baby to eat 1000 ounces? (do not round your answer)

a)

50 days

b)

400 days

c)

32 days

d)

312 days

51.

Jonathan raised 60 goats, then he traded all the goats for sheep at an exchange rate of 5 goats for 7 sheep. Next, he exchanged all the sheep for hogs at a rate of 4 sheep for 2 hogs. How many hogs did he get?

a)

62 hogs

b)

42 hogs

c)

84 hogs

d)

86 hogs

52.

Eggs are shipped from a farm in trucks. Each carton of eggs holds 12 eggs. The cartons of eggs are placed in a crate that holds 20 cartons, which are packed in trucks that each carry 3130 crates of eggs. How many truckloads will it take to carry 3.75 x 106 eggs? [Round your answer to 1 sig fig]

a)

3 trucks

b)

4 trucks

c)

5 trucks

d)

9 trucks

53.

You have a summer job serving ice cream cones at the beach, serving an average of 25 cones per hour. You work 8 hours per day, 5 days a week, and get paid a salary of $940.34 every 2 weeks. Approximately how many ice cream cones will you have to serve to earn the $5,800 you are saving to buy a car? [Round your answer to 2 sig figs]

a)

12,000 cones

b)

62,000 cones

c)

21,000 cones

d)

95,000 cones

54.

You roof has a leak. If it leaks at a rate of 14 drops per minute, how many hours will it take to fill a 5 gallon bucket? (20 drops = 1 mL; 30 mL = 1oz; 64 oz = 1 gal) [Round answer to 2 sig figs]

a)

230 hours

b)

950 hours

c)

190 hours

d)

1900 hours

55.

A backyard pool is 15.8 feet wide, 19.2 feet long and 5.5 feet deep. What is this pool's volume in cubic meters? [1 meter = 3.28 ft]

a)

1600 m3

b)

47.3 m3

c)

16,600 m3

d)

55.9 m3

56.

What is the general trend of this line graph?

a)

The more you mow, the less money you make.

b)

You make the same amount of money regardless of how long you mow.

c)

The more you mow, the more money you make.

d)

Mowing is dangerous.

57.

What label is along the y-axis in this graph?

a)

Copyright 2007

b)

Lines

c)

Age in Years

d)

Number of Teens

58.

How much does it cost to have your lawn mowed for 2 hours?

a)

$16

b)

$17

c)

$18

d)

$19

59.

Which statement below accurately represents the graph?

a)

$100 is earned for each hour worked

b)

$100 is earned for every 2 hours worked

c)

$500 is earned for every 8 hours worked

d)

$200 is earned for every 3 hours worked

60.

What is happening in the graph between 30 and 40 minutes?

a)

Sarah is accelerating

b)

Sarah is not moving

c)

Sarah is slowing down

d)

Sarah is travelling at a constant speed

61.

What is the approximate volume of 300 g according to the graph above?

a)

200 mL

b)

250 mL

c)

300 mL

d)

350 mL

62.

Is the relationship in the graph direct, indirect, constant, or exponential?

a)

direct

b)

indirect

c)

constant

d)

exponential

63.

Based on the data, what is a valid conclusion?

a)

As pressure decreases, volume decreases.

b)

As pressure increases, volume increases.

c)

As pressure increases, volume remains constant.

d)

As pressure increases, volume decreases.

64.

A student used the graph to determine that the volume of a sample should be 300 mL when the mass is 300 g. Was this point determined by extrapolation or interpolation?

a)

extrapolation

b)

interpolation

65.

What is the approximate maximum heart rate of an 80 year old person?

a)

40 beats per minute

b)

45 beats per minute

c)

50 beats per minute

d)

80 beats per minute

66.

A student used the graph below to determine that the maximum heart rate of a person should be 45 beats per minute when a person is 80 years old. Was this point determined by extrapolation or interpolation?

a)

extrapolation

b)

interpolation

67.

The following table contains data for a person's change in exhaled carbon dioxide in response to an increase in respiratory (breathing) rate. Select the graph that accurately represents the table below.

a)
b)
c)
d)
68.

Solubility is a measure of the amount of a substance that dissolved in water. Is the relationship between temperature and solubility direct or indirect?

a)

direct

b)

indirect

69.

What is the approximate mass produced in grams at 60 seconds? Did you find this data point using extrapolation or interpolation?

a)

2.2 g, extrapolation

b)

2.2 g, interpolation

c)

3.7 g, extrapolation

d)

3.7 g, interpolation

70.
The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month.  Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles? 
a)
A. 50 min
b)
B. 80 min
c)
C. 45 min
d)
D. 60 min
71.
Based on the graph, if Joe earned $400, how many hours did he work?
a)
25 hours
b)
35 hours
c)
45 hours
d)
15 hours
72.

Level 4: The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the line of best fit to predict how many chapters would be in a book with 140 pages.

a)

12 chapters

b)

19 chapters

c)

14 chapters

d)

21 chapters

73.

Level 4: Are these data points strongly or weakly correlated?

a)

Strong, positive correlation

b)

Strong, negative correlation

c)

No correlation

d)

Weak, negative correlation

74.

Which sentence describes the relationship shown on this scatter plot?

a)

As the temperature decreases, the visitors increase.

b)

As the temperature increases, the number of visitors increases.

c)

As the visitors increase, the temperature decreases.

d)

No correlation

75.

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam?

a)

85

b)

92

c)

70

d)

76

76.

Describe the correlation in the graph shown.

a)

Strong Negative

b)

Strong Positive

c)

Weak Negative

d)

Weak Positive

77.
What is a line of best fit used for?
a)
To make predictions
b)
To make the graph look pretty
c)
To connect the points
d)
To make it look like you know what you are doing
78.
What is the type of correlation?
a)
Negative 
b)
no correlation
c)
positive 
79.
You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?
a)
As x increases, y decreases
b)
As x increases, y increases
c)
As x decreases, y decreases
80.
Identify the outlier
a)
(38, 95)
b)
(95, 38)
c)
there is no outlier
81.
As the age of the car increases, its value decreases. Which scatterplot represents this relationship?
a)
A
b)
B
c)
C
d)
D
82.
Solve for x. Round to the nearest tenth.
a)
9.5
b)
30.8
c)
3.1
83.
Solve for x. Round to the nearest tenth.
a)
7.5
b)
34.1
c)
14.1
84.
Find the length of side y.
a)
22.32 cm
b)
36.5 cm
c)
76.34 cm
d)
87.76 cm
85.
What is the length of side x?
a)
6.57 cm
b)
7 cm
c)
7.44 cm
d)
26.33 cm
86.
Find the length of side w.
a)
21.4 cm
b)
18.0 cm
c)
36.5 cm
d)
43.6 cm
87.
Solve for x.
a)
24.20
b)
4.92
c)
290.4
d)
29.75
88.
Find the trig value rounded to the nearest ten-thousandth.
Tan(42°)
a)
.9004
b)
.8123
c)
88.6361
d)
42
89.
Find x
a)
20
b)
5.9
c)
33
d)
42
90.
a)
18.9
b)
19.5
c)
47
d)
27.5
91.
Choose the correct ratio.
a)
cos(33)=x/14
b)
sin(33)=x/14
c)
cos(33)=14/x
d)
sin(33)=14/x
92.
Choose the correct ratio.
a)
sin(37)=x/14
b)
cos(37)=x/14
c)
tan(37)=x/14
d)
sin(37)=14/x
93.
Find the missing side
a)
36
b)
76.8
c)
12
d)
40
94.
Solve for x. 
a)
38.9
b)
40.2
c)
45.6
d)
54
95.
Solve for x. Round to the nearest tenth.
a)
5.3
b)
6.2
c)
8.5

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