WorksheetsMultiplying and Dividing with Sig Figs
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
2.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
3.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
4.
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
5.
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
6.
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
7.
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
8.
Multiply 5.4L x 8.99g/L
a)
49g
b)
48.5g
c)
48.55g
d)
48.546g
9.
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
10.
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
100 %
