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Scientific Notation and Unit Conversions Review

Total questions: 56

Worksheet time: 3615secs

Name
Class
Date
1.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
2.
How would you write 0.0005 in scientific notation?
a)

50 x 105

b)

5 x 10-4

c)
5 x 103
d)
.5 x 103
3.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
4.
How do you write
1001
in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
5.
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
6.
Which of the following is correct scientific notation?
a)

20.35 x 103

b)
.2035 x 104
c)
2035 4
d)
2.035 x104
7.
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
8.
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
9.
Convert to standard notation:
2.4 x 10-3 
a)
2400
b)
0.24
c)
0.024
d)
0.0024
10.
Convert to standard notation:
3.05 x 105 
a)
305,000
b)
305
c)
3,050,000
d)
30,500
11.
UNDERSTANDING
If the exponent is a positive number...
a)
you will get a large number
b)
you will get a smaller number
12.
UNDERSTANDING
If the exponent is a negative number...
a)
you will get a large number
b)
you will get a small number
13.
Which number is correctly written in scientific notation?
a)
5.67 x 105
b)
56.7 x 103
c)
0.567 x 106
14.
Which number is correctly written in scientific notation?
a)
3.2867 x 10-7
b)
21.8689 x 10-4
c)
0.1537 x 105
15.

Round 509.967 g to 4 significant figures.

a)

509.9 g

b)

509.0 g

c)

510.0 g

d)

  1. 510. g

16.

Convert 5.89 x 10-4 to standard or expanded form.

a)

0.00589

b)

0.000589

c)

58900

d)

58.900

17.

Calculate and report 0.0005 meters + 0.029 meters to the correct number of significant figures?

a)

0.0295 meters

b)

0.300 meters

c)

0.030 meters

d)

0.029 meters

18.

Calculate and report 9544 lbs - 321 lbs to the correct number of significant figures?

a)

9000 lbs

b)

9220 lbs

c)

9223 lbs

d)

9862 lbs

19.

Calculate and report 5000 g ÷ 870 mL to the correct number of significant figures ?

a)

5.74 g/mL

b)

6 g/mL

c)

5.7 g/mL

d)

5 g/mL

20.

Calculate and report 2.4m x 550m to the correct number of significant figures?

a)

1300 m

b)

1300 m^2

c)

1000 m^2

d)

1320.0 m

21.

Multiply and report to the correct number of significant figures:

(3.4 x 105 cm)(1.2 x 10-3cm)

a)

4.1 x 10-8 cm2

b)

4.08 x 102cm

c)

4.1 x 102cm2

d)

4.1 x 10-15cm2

22.

Divide and report to the correct number of significant figures:

(6.9 x 107 m2 / (2.3 x 10-3m)

a)

3.0 x 1010m

b)

3 x 1010m3

c)

3 x 10-4m

d)

3 x 10-21m

23.
Calculate 1.23 m x 0.89 m and give your answer with the appropriate number of significant figures.
a)
1.0 m2
b)
1.1 m2
c)
1.0947 m2
d)
1.09 m2
24.

How many significant figures are there in 240,000 g?

a)

4

b)

6

c)

3

d)

2

25.

How many significant figures are there in 0.1024574?

a)

1

b)

6

c)

7

d)

8

e)

0

26.

How many significant figures are in there in 1.0027 m?

a)

2

b)

3

c)

4

d)

5

27.
Express the following quantities in scientific notation:  5800 m
a)
5.8 x 103 m
b)
58.00 x 103 m
c)
5800 x 101 m
d)
5.8 x 104 m
28.

What is 0.000328 g rounded to 1 significant figure?

a)

0 g

b)

0.0003 g

c)

0.00033 g

d)

0.000328 g

29.

When using scientific notation, a negative exponent means ...

a)

the standard number is greater than one

b)

the standard number is less than one

c)

the negative sign doesn't have a meaning

d)

None of the above

30.

When using scientific notation, a positive exponent means ...

a)

the standard number is greater than one

b)

the standard number is less than one

c)

the negative sign doesn't have a meaning

d)

None of the above

31.

Convert this number into scientific notation: 0.068

a)

6.9 x 106

b)

6.8 x 10-9

c)

6.8 x 10-2

d)

None of the above

32.

What is the correct answer to: 6.201 cm + 7.4 cm + 0.68 cm +12.0 cm =

a)

26.281 cm

b)

26.28 cm

c)

26.2 cm

d)

26.3 cm

33.

What is the correct answer for: 1.31 cm x 2.3 cm

a)

3.013 cm2

b)

3.01 cm

c)

3.02 cm2

d)

3.0 cm2

e)

3.0 cm

34.

What is the correct answer for: 20.2 cm ÷ 7.41 s

a)

2.726045884 cm/s

b)

2.72604 cm/s

c)

2.73 cm/s

d)

2.7 cm/s

e)

2.73

35.

Convert 40 L to mL

a)

.400 mL

b)

400 mL

c)

40,000 mL

d)

.4 mL

36.

Convert .500 g to dg

a)

5 dg

b)

.0005 dg

c)

50 dg

d)

.005 dg

37.

Convert .340 g to cg

a)

340 cg

b)

34 cg

c)

3.4 cg

d)

.034 cg

38.

Convert 560,000 L to kL

a)

5,600,000 kL

b)

5600 kL

c)

560 kL

d)

56000 kL

39.

Convert .78 g to mg

a)

780 mg

b)

78 mg

c)

7.8 mg

d)

.078 mg

40.
3 km = ___________ mm
a)
30
b)
300
c)
3,000
d)
3,000,000
41.

13 km + 20 m = _________ m

a)
13 20
b)
1320
c)
13,020
d)
13,200
42.
___ m = 400 cm
a)
4
b)
40
c)
400
d)
4000
43.
1 km = ___ m
a)
1
b)
10
c)
100
d)
1000
44.
1 m = ___ cm
a)
1
b)
10
c)
100
d)
1000
45.

2.5 km = ______ m

a)

25 m

b)

2500 m

c)

25000 m

d)

250 m

46.

I have 0.48 groobles. How many swarps? (There are 12 swarps in a grooble.)

a)

0.25 groobles

b)

39 groobles

c)

0.04 groobles

d)

5.76 groobles

47.

What numbers make this relationship correct?

_____ kL = _____ L

a)

1000....1

b)

100...1

c)

1...100

d)

1.... 1000

48.

What numbers make this relationship correct?

_____ mm = _____ m

a)

1000....1

b)

100...1

c)

1...100

d)

1.... 1000

49.

What numbers make this relationship correct?

_____ m = _____ mm

a)

1000....1

b)

100...1

c)

1...100

d)

1.... 1000

50.

What numbers make this relationship correct?

_____ m = _____ cm

a)

1000....1

b)

100...1

c)

1...100

d)

1.... 1000

51.

What numbers make this relationship correct?

_____ cg = _____ g

a)

1000....1

b)

100...1

c)

1...100

d)

1.... 1000

52.

What numbers make this relationship correct?

_____ g = _____ cg

a)

1000....1

b)

100...1

c)

1...100

d)

1.... 1000

53.
How many millimeters are in a centimeter?
a)
10
b)
100
c)
1000
d)
0.001
54.
What does kilo mean?
a)
thousand
b)
hundred
c)
ten
d)
ten thousand
55.
What is the SI unit for temperature?
a)
Celsius
b)
Fahrenheit
c)
liter
d)
thermometer
56.
What is the SI base unit for volume?
a)
gram
b)
meter
c)
liter
d)
foot

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