WorksheetsSig Figs
Total questions: 25
Worksheet time: 17mins
Name
Class
Date
1.
How many sig. fig. are in the number below:
350.540
350.540
a)
4
b)
5
c)
6
d)
7
2.
Which measurement contains 3 sig figs?
a)
200 mL
b)
20.0 mL
c)
0.02 mL
d)
0.020mL
3.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
4.
How many Significant Figures in the number below?
4.56 x 103
4.56 x 103
a)
5
b)
4
c)
6
d)
3
5.
How many Significant Figures in the number below?
0.456
0.456
a)
3
b)
4
c)
2
d)
1
6.
How many Significant Figures in the number below?
4,500
4,500
a)
3
b)
4
c)
2
d)
1
7.
How many Significant Figures in the number below?
400,506
400,506
a)
5
b)
4
c)
6
d)
3
8.
How many significant figures does 10.1 cm have?
a)
1
b)
2
c)
3
d)
4
9.
How many significant figures does 0.010 m have?
a)
1
b)
2
c)
3
d)
4
10.
How many significant figures does 10,080 sec have?
a)
3
b)
4
c)
5
d)
6
11.
Determine the number of sig figs in the following measurement:
72,100 g
72,100 g
a)
5
b)
3
c)
6
d)
4
12.
Determine the number of sig figs in the following measurement:
3,000 mm
3,000 mm
a)
1
b)
4
c)
2
d)
3
13.
Determine the number of sig figs in the following measurement:
25.03 L
25.03 L
a)
4
b)
3
c)
2
d)
1
14.
Which value has only 4 significant digits?
a)
6.930
b)
0.450
c)
8450
d)
0.392
15.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
16.
Round 720.36 to two sig figs
a)
72
b)
73
c)
720
d)
720.00
17.
What is 98.907 rounded to 1 significant figure?
a)
98.9
b)
90
c)
100
d)
98.91
18.
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
19.
How many Significant Figures in the number below?
4.56 x 103
4.56 x 103
a)
5
b)
4
c)
6
d)
3
20.
Solve & Round to Correct Sig Figs.
4.5 x 2.34 =
4.5 x 2.34 =
a)
11
b)
10.52
c)
10.5
d)
10
21.
Solve & Round to Correct Sig Figs.
100 / 2 =
100 / 2 =
a)
50
b)
50.
c)
50.0
d)
50.00
22.
Calculate the answer to the following problem and round the final answer to the correct number of sig figs:
4.627 / 0.00371 =
4.627 / 0.00371 =
a)
1247.169811
b)
1250
c)
1247
d)
1240
23.
Calculate the answer to the following problem and round the final answer to the correct number of sig figs:
278 x 11.70 =
278 x 11.70 =
a)
3252.6
b)
3250
c)
3252
d)
325
24.
Solve the problem below, and choose the answer with the correct number of significant figures and the correct units.
28.00g ÷ 2.00mL = ???
28.00g ÷ 2.00mL = ???
a)
14.0g
b)
14.0mL
c)
14.0
d)
14.0g/mL
25.
Calculate 1.23 m x 0.89 m and give your answer with the appropriate number of significant figures.
a)
1.0 m2
b)
1.1 m2
c)
1.0947 m2
d)
1.09 m2
100 %
