WorksheetsSignificant Figures 3
Total questions: 10
Worksheet time: 24mins
Name
Class
Date
1.
How many significant figures: 216 m
a)
1
b)
2
c)
3
d)
0
2.
How many significant figures: 0.012 km
a)
1
b)
2
c)
3
d)
4
3.
How many significant figures: 100.000 cL
a)
1
b)
3
c)
5
d)
6
4.
How many sig figs are there?
100000000
100000000
a)
1
b)
9
c)
10
5.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
6.
Round 1009 to three sig figs
a)
100
b)
101
c)
1000
d)
1010
7.
What is 78.5 rounded to one significant figure?
a)
80
b)
78.5
c)
70
d)
79
8.
Calculate 923 g ÷ 20312 cm3 and give your answer with the correct number of significant figures.
a)
0.04 g/cm3
b)
0.045g/cm3
c)
0.0454 g/cm3
d)
0.05 g/cm3
9.
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
10.
How many significant figures are in the following measurement?
2.51 m
a)
1 significant figure
b)
2 significant figures
c)
3 significant figures
d)
4 significant figures
e)
5 significant figures
100 %
