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Significant Figures Practice

Total questions: 60

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

How many significant figures are in the number? 2804 m

a)

3

b)

4

c)

5

d)

unknown

2.

How many significant figures are in the number? 75,000 m

a)

2

b)

3

c)

5

d)

unknown

3.

How many significant figures are in the number? 4.06 x 10-5 m

a)

3

b)

7

c)

5

d)

unknown

4.

How many significant figures are in the number? 0.003068 m

a)

6

b)

5

c)

4

d)

unknown

5.

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

6.

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

a)

27.001

b)

27.00

c)

27.0

d)

27

7.

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

8.

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

a)

2.726045884

b)

2.72604

c)

2.73

d)

2.7

9.

How many significant figures are in this number: 47.00

a)

2

b)

3

c)

4

d)

5

10.

How many significant figures are in this number: 0.0905

a)

1

b)

3

c)

4

d)

6

11.

How many significant figures are in this number: 0.0008

a)

1

b)

2

c)

4

d)

5

12.

What is 78.5 rounded to one significant figure?

a)

79

b)

78.5

c)

70

d)

80

e)

78

13.

Round 1,296,717 to 3 significant figures

a)

1,290,000

b)

1,296,000

c)

1,297,000

d)

1,300,000

e)

1.30 x 106

14.

Round 509.96 to 4 significant figures

a)

509.9

b)

509.0

c)

510.0

d)

510

15.

What is 0.658 rounded to 1 significant figure?

a)

0

b)

0.66

c)

0.7

d)

0.658

e)

1

16.

What is 375.6523 to four significant figures?

a)

375.0

b)

375.00

c)

375.7

d)

375.6

17.

Round 1099 to three significant figures.

a)

1.10 x 103

b)

101

c)

1010

d)

1,000

e)

1100

18.

Round the following value to one significant figure...


15

a)

10

b)

20

c)

100

d)

2

19.

Round the following value to one significant figure...


236

a)

200

b)

230

c)

240

d)

300

20.

What is the measurement 1042 Liters rounded to 2 significant figures?

a)

1040 L

b)

1.1 x 103 L

c)

1.0 x 103 L

d)

1050 L

21.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
22.

Round 1047.78 to three significant figures.

a)

104

b)

105

c)

1050

d)

1050.00

23.

How many significant figures are in the number? 4.06 x 10-5 m

a)

3

b)

7

c)

5

d)

unknown

24.

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

25.

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

a)

2.726045884

b)

2.72604

c)

2.73

d)

2.7

26.

How many Significant Figures does measurement #1 have? 1.4300 L

a)

2

b)

3

c)

4

d)

5

27.

How many Significant Figures does measurement #2 have? 7040 mL

a)

2

b)

3

c)

4

d)

5

28.

How many Significant Figures does measurement #3 have? 0.0010 g

a)

2

b)

3

c)

4

d)

5

29.

How many Significant Figures does measurement #4 have? 4382 m

a)

2

b)

3

c)

4

d)

5

30.

How many Significant Figures does measurement #5 have? 6.00 sec

a)

2

b)

3

c)

4

d)

5

31.
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
32.
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
33.
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
34.
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
35.
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
36.
Which of the following numbers have four significant figures?
a)
56.75 g
b)
40.01 g
c)
0.6000 g
d)
all of the choices
37.
All of the following have one significant figure except:
a)
100 cm
b)
0.0001 cm
c)
2 cm
d)
2.00 cm
38.
Which of the following numbers has three significant figures?
a)
1014 miles
b)
101 feet
c)
1000 yards
d)
all of the choices
39.

Round 0.010229 to four sig figs

a)

1022

b)

0.0102

c)

0.01023

d)

0.01022

40.

1234 g has (a)   significant figures.

41.

0.023 m has (a)   significant figures.

42.

0.023 m has (a)   significant figures.

43.

910.0 m has (a)   significant figures.

44.

1090.0010 mL has (a)   significant figures.

45.
There are __?__ significant digits in the number 90,000.00
a)
1
b)
2
c)
5
d)
7
46.
How many significant figures: 216 m
a)
1
b)
2
c)
3
d)
0
47.
How many significant figures: 2016 m
a)
1
b)
2
c)
3
d)
4
48.
How many significant figures: 0.012 km
a)
1
b)
2
c)
3
d)
4
49.
How many significant figures: 100.000 cL
a)
1
b)
3
c)
5
d)
6
50.
Round 0.0005630 to 2 significant figures.
a)
0.000563
b)
0.00056
c)
56
d)
0.56
51.

Round 1,296,717 to 3 significant figures

a)

1,290,000

b)

1,296,000

c)

1,297,000

d)

1,300,000

e)

1.30 x 106

52.

What is 0.658 rounded to 1 significant figure?

a)

0

b)

0.66

c)

0.7

d)

0.658

e)

1

53.

Round 1099 to three significant figures.

a)

1.10 x 103

b)

101

c)

1010

d)

1,000

e)

1100

54.
Calculate 5.50 cm + 5.50 cm and give your answer with the appropriate number of significant figures.
a)
11 cm
b)
11.0 cm
c)
11.00 cm
d)
11.000 cm
55.
How many significant figures will be in the answer to the following question:
7.62 x 6.98 x 3.2645
a)
1
b)
2
c)
3
d)
4
56.
Calculate 345.009 g - 23.009 g and give your answer with the appropriate number of significant figures.
a)
322.00 g
b)
322 g
c)
322.000 g
d)
322
57.

In division and multiplication, the answer should have the same number of significant figures as the

a)

number in the calculation with the fewest significant figures.

b)

number in the calculation with the most significant figures.

c)

average number of significant figures in the calculation.

d)

total number of significant figures in the calculation.

58.

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

a)

3.013

b)

3.01

c)

3.02

d)

3.0

59.

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

a)

2.726045884

b)

2.72604

c)

2.73

d)

2.7

60.

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

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