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WorksheetsMultiplying and Dividing Significant Figures
Total questions: 19
Worksheet time: 44mins
Name
Class
Date
1.
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
2.
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
3.
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
4.
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
5.
Multiply 5.4L x 8.99g/L
a)
49g
b)
48.5g
c)
48.55g
d)
48.546g
6.
Divide 100.00g / 2.00mL
a)
50 g/mL
b)
5.0 x 101 g/mL
c)
50.0 g/mL
d)
50.00 g/mL
7.
Divide 8.953 g by 4.52mL
a)
2 g/mL
b)
2.0 g/mL
c)
1.98 g/mL
d)
1.981 g/mL
8.
Which of the following measurements is expressed to three significant figures?
a)
0.007 m
b)
7077 mg
c)
7.30 × 10^−7 km
d)
0.070 mm
9.
Which of the following measurements contains two significant figures?
a)
0.00400 L
b)
0.00404 L
c)
0.00044L
d)
0.00440L
10.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
11.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
12.
How many Significant Figures in the number below?
4.56 x 103
4.56 x 103
a)
5
b)
4
c)
6
d)
3
13.
Solve. Round using SigFig math rules.
103 cm x 11 cm
a)
11 cm2
b)
1100 cm2
c)
1130 cm2
d)
1133 cm2
14.
Solve. Round using SigFig math rules.
1.3562 mL / 14.32 g
a)
0.094 mL/g
b)
0.0947 mL/g
c)
0.094706 mL/g
d)
0.09471 mL/g
15.
45.6 ÷ 4.819 × 3.12
a)
29.5
b)
29.52
c)
30.0
d)
29.523
e)
29.4
16.
0.58 x 1.838 x 7.021
a)
7.5
b)
8.0
c)
7.48
d)
7.484
e)
7.4
17.
703 / 25.22 / 1.32 x 0.25
a)
5.2
b)
5.3
c)
5.28
d)
5.279
e)
5.0
18.
10,000 / 45.2 / 3.891
a)
60
b)
60.0
c)
57
d)
50
e)
56.9
19.
0.00007 x 0.0023 x 0.00349
a)
6E-10
b)
5.6E-10
c)
6
d)
5.61E-10
e)
5E-10
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