WorksheetsSig Figs
Total questions: 26
Worksheet time: 21mins
Name
Class
Date
1.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
2.
How many significant figures does the following number have: 0.998005
a)
9
b)
10
c)
6
d)
5
3.
How many significant figures does the following number have: 0.9870477
a)
8
b)
6
c)
5
d)
7
4.
How many significant figures does the following number have: 100.00210
a)
7
b)
5
c)
10
d)
8
5.
How many significant figures does the following number have: 100.3
a)
4
b)
3
c)
5
d)
2
6.
How many significant figures does the following number have: 0.0046
a)
2
b)
3
c)
5
d)
6
7.
How many significant figures does the following number have: 0.0079010
a)
1
b)
4
c)
5
d)
9
8.
How many significant figures does the following number have: 53.5
a)
3
b)
4
c)
6
d)
8
9.
How many significant figures does the following number have: 1740200
a)
2
b)
1
c)
3
d)
5
10.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
11.
How many Significant Figures in the number below?
4.56 x 103
4.56 x 103
a)
5
b)
4
c)
6
d)
3
12.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
13.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
14.
Round 720.36 to two sig figs
a)
72
b)
73
c)
720
d)
720.00
15.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
16.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
17.
Round 32.08 to two sig figs
a)
32
b)
33
c)
32.0
d)
32.1
18.
What is 78.5 rounded to one significant figure?
a)
79
b)
78.5
c)
70
d)
80
19.
What is 0.0568 rounded to 1 significant figure?
a)
0
b)
0.06
c)
0.6
d)
0.57
20.
How many significant figures does the following number have: 56.040
a)
2
b)
3
c)
4
d)
5
21.
Which of the following measurements contains two significant figures?
a)
0.00400 L
b)
0.00404 L
c)
0.00044 L
d)
0.00440 L
22.
What is the first significant figure in 0.0457?
a)
4
b)
5
c)
0
d)
7
23.
What is 98.907 rounded to 1 significant figure?
a)
98.9
b)
90
c)
100
d)
98.91
24.
What is the 2nd significant figure of 0.40520?
a)
4
b)
5
c)
0
d)
2
25.
What is 7000 rounded to 1 significant figure?
a)
0.7
b)
10000
c)
0
d)
7000
26.
0.0882 rounded to 2 s.f.
a)
0.08
b)
0.088
c)
0.09
d)
0.1
100 %
