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Significant Figures & scientific notation

Total questions: 70

Worksheet time: 1hrs 22mins

Name
Class
Date
1.

How many significant figures: 417 m

a)

1

b)

2

c)

3

d)

0

2.

How many significant figures: 6308 m

a)

1

b)

2

c)

3

d)

4

3.

How many significant figures: 48.30 mL

a)

1

b)

2

c)

3

d)

4

4.

How many significant figures: 0.092 km

a)

1

b)

2

c)

3

d)

4

5.

How many significant figures: 3000 mL

a)

1

b)

2

c)

3

d)

4

6.

How many significant figures: 5000.00 mL

a)

2

b)

4

c)

5

d)

6

7.

How many significant figures: 0.06 g

a)

4

b)

3

c)

2

d)

1

8.

How many significant figures: 4.80 cm

a)

1

b)

2

c)

3

d)

4

9.

How many significant figures: 0.070 L

a)

1

b)

2

c)

3

d)

4

10.

How many significant figures: 540 m

a)

3

b)

2

c)

1

d)

0

11.

How many sig figs are there?

60000000

a)

1

b)

6

c)

7

d)

8

12.

How many sig figs are there?

0.000004

a)

1

b)

2

c)

6

d)

7

13.

How many sig figs are in the following measurements?

90.30 km

a)

1

b)

2

c)

3

d)

4

14.

How many sig figs are in the following measurements?

4.8600 X 10-3

a)

2

b)

3

c)

4

d)

5

15.

How many sig figs are in the following measurements?

6034000 g

a)

0

b)

2

c)

4

d)

9

16.

Determine the number with the fewest significant figures.

a)

5.78 910 x 103

b)

75000

c)

12.90

d)

0.121 012

17.

Which of the following numbers has three significant figures?

a)

45.00 miles

b)

58400 feet

c)

200 yards

d)

all of the choices

18.

How many significant figures does the following number have: 0.006490

a)

6

b)

4

c)

3

d)

2

19.

How many significant figures does the following number have: 0.180005

a)

9

b)

10

c)

6

d)

5

20.

Round 0.010633 to four significant figures

a)

0.010

b)

0.011

c)

0.01063

d)

0.01064

21.

What is 0.730 rounded to 1 significant figure?

a)

0

b)

0.73

c)

0.7

d)

0.730

22.

How many sig figs are there?

8500.0

a)

1

b)

3

c)

4

d)

5

23.

How many sig figs are there?

720000000

a)

1

b)

9

c)

8

d)

2

24.

How many sig figs are there?

0.000003

a)

1

b)

2

c)

6

d)

7

25.

How many sig figs are there?

0.0870

a)

1

b)

3

c)

5

d)

4

26.

How many sig figs are there?

93020.0

a)

2

b)

4

c)

5

d)

6

27.

How many sig figs are there?

200.

a)

1

b)

3

c)

4

d)

2

28.

How many sig figs are there?

360000

a)

2

b)

5

c)

6

d)

4

29.

How many significant figures does the following number have: 0.008300

a)

6

b)

4

c)

3

d)

2

30.

How many significant figures does the following number have: 930700.

a)

1

b)

4

c)

6

d)

7

31.

How would you write 0.0005 in scientific notation?

a)

50 x 10-5

b)

5 x 10-4

c)

5 x 103

d)

.5 x 103

32.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
33.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
34.
Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.
a)
True
b)
False
35.

Scientific Notation is made up of two number parts. The second part is a power 10.

a)

True

b)

False

36.

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

37.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
38.
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
39.

Convert to scientific notation:

520,000,000

a)

52 x 107

b)

5.2 x 10-7

c)

5.2 x 108

d)

0.52 x 109

40.

What is scientific notation?

a)

A long way to write really short numbers

b)

A short way to write really large or really small numbers

c)

I don't know...

d)

None of the above

41.

If the exponent is a positive number the original number was...

a)

a really big number.

b)

a really small number.

42.

If the exponent is a negative number the original number was...

a)

a really large number.

b)

a really small number.

43.
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
44.
Express the following in scientific notation:
0.0000002203
a)
.02203 x 107
b)
22.03 x 10-6
c)
2.203 x 10-7
d)
22.03 x 106
45.
Write in scientific notation:
860
a)
8.6 x 103
b)
8.6 x 102
c)
8.6 x 104
d)
.86 x 103
46.
What is 2.8 x 10-4 in standard notation?
a)
28,000
b)
280,000
c)
.00028
d)
.000028
47.
What does a negative exponent mean in scientific notation? (example:  1.19 x 10-3)
a)
It means the number is very large
b)
It means the number is very small
48.
How many zeros would be in this number if written in standard form?
6.47 x 1011
a)
11
b)
9
c)
10
d)
12
49.
Express the following in scientific notation:
0.000 000 220 3
a)
.02203 x 107
b)
22.03 x 10-6
c)
2.203 x 10-7
d)
22.03 x 106
50.
Express the following in scientific notation:
.000 045
a)
4.5 x 10-5
b)
45 x 10-6
c)
4.5 x105
d)
45 x 106
51.

Select the largest unit.

a)

kilogram

b)

centigram

c)

decigram

d)

decagram

52.

Select the largest unit.

a)

milliliter

b)

centiliter

c)

deciliter

d)

decaliter

53.

Select the smallest unit.

a)

milliliter

b)

centiliter

c)

hectoliter

d)

liter

54.

Select the smallest unit.

a)

decimeter

b)

meter

c)

hectometer

d)

kilometer

55.

15 m = _____ mm

a)

15,000

b)

1,500

c)

0.015

d)

150

56.
Convert 17 m to cm:
a)
0.17 cm
b)
0.017 cm
c)
1,700 cm
d)
170 cm
57.
1000 grams = _____ kilograms
a)
0.0001
b)
1,000,000
c)
10
d)
1
58.
490,000 g =____ kg
a)
490
b)
49
c)
4,900
d)
0.49
59.
Is 20 g greater than, less than, or equal to 2 kg?
a)
greater than
b)
less than
c)
equal to
60.
Is 4,000 mg greater than, less than, or equal to 4 g?
a)
greater than
b)
less than
c)
equal to
61.
Convert 5 cm to mm:
a)
5,000mm
b)
0.5 mm
c)
0.05 mm
d)
50 mm
62.

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

a)

26.281

b)

26.28

c)

26.2

d)

26.3

63.

What is the correct answer for: 12.00 m +15.001m =

a)

27.001

b)

27.00

c)

27.0

d)

27

64.

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

a)

3.013

b)

3.01

c)

3.02

d)

3.0

65.

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

a)

2.726045884

b)

2.72604

c)

2.73

d)

2.7

66.
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
67.
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
68.
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
69.
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
70.
All of the following have one significant figure except:
a)
100 cm
b)
0.0001 cm
c)
2 cm
d)
2.00 cm

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