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Significant Figures Practice

Total questions: 32

Worksheet time: 41mins

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.

How many significant figures are in the number? 75.00 m

a)

2

b)

3

c)

4

d)

unknown

6.

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

7.

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

a)

27.001

b)

27.00

c)

27.0

d)

27

8.

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

9.

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

a)

2.726045884

b)

2.72604

c)

2.73

d)

2.7

10.

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

a)

2

b)

3

c)

4

d)

5

11.

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

a)

2

b)

3

c)

4

d)

5

12.

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

a)

2

b)

3

c)

4

d)

5

13.

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

a)

2

b)

3

c)

4

d)

5

14.

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

a)

2

b)

3

c)

4

d)

5

15.

How many Significant Figures does measurement #6 have? 3.0720 kg

a)

2

b)

3

c)

4

d)

5

16.
How many sig figs are there?
4004
a)
1
b)
2
c)
3
d)
4
17.
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
18.
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
19.
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
20.
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
21.
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
22.
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
23.
All of the following have one significant figure except:
a)
100 cm
b)
0.0001 cm
c)
2 cm
d)
2.00 cm
24.
Which of the following numbers has three significant figures?
a)
1014 miles
b)
101 feet
c)
1000 yards
d)
all of the choices
25.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
26.

Round 0.010229 to four sig figs

a)

1022

b)

0.0102

c)

0.01023

d)

0.01022

27.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
28.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
29.
What is 78.5 rounded to one significant figure?
a)
79
b)
78.5
c)
70
d)
80
30.

Round the following number to 1 significant figure: 0.087084

a)

0.1

b)

0.09

c)

0.087

d)

0.9

e)

0.08

31.

Round the following number to 4 significant figures: 0.087084

a)

0.087

b)

0.0900

c)

0.09000

d)

0.0871

e)

0.08708

32.
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

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