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WorksheetsSignificant Figures
Total questions: 32
Worksheet time: 29mins
Name
Class
Date
1.
0.0010005337000
The blue zeros are...
The blue zeros are...
a)
Leading zeros
b)
Captive zeros
c)
Trailing zeros
2.
0.0010005337000
The red zeros are...
The red zeros are...
a)
Leading zeros
b)
Captive zeros
c)
Trailing zeros
3.
0.0010005337000
The green zeros are...
The green zeros are...
a)
Leading zeros
b)
Captive zeros
c)
Trailing zeros
4.
Nonzero numbers in a measurement are
a)
always significant
b)
never significant
c)
significant if there is a decimal point
5.
Leading zeros in a measurement are
a)
always significant
b)
never significant
c)
significant if there is a decimal point
6.
Captive zeros in a measurement are
a)
always significant
b)
never significant
c)
significant if there is a decimal point
7.
Trailing zeros in a measurement are
a)
always significant
b)
never significant
c)
significant if there is a decimal point
8.
How many significant figures does the following measurement have:
0.002 040
0.002 040
a)
6
b)
4
c)
7
d)
2
9.
How many significant figures does the following measurement have:
0.998 005
0.998 005
a)
2
b)
4
c)
6
d)
7
10.
How many significant figures does the following measurement have:
100.002 10
100.002 10
a)
7
b)
5
c)
10
d)
8
11.
How many significant figures does the following measurement have:
100.3
100.3
a)
4
b)
3
c)
5
d)
2
12.
How many significant figures does the following measurement have:
56.040
56.040
a)
2
b)
3
c)
4
d)
5
13.
If the number to right of the last significant figure is greater than five (>5), how do you round?
a)
round up
b)
round down
c)
round to make it even
d)
round to make it odd
14.
If the number to right of the last significant figure is less than five (<5), how do you round?
a)
round up
b)
round down
c)
round to make it even
d)
round to make it odd
15.
If the number to right of the last significant figure is exactly than five (=5), how do you round?
a)
round up
b)
round down
c)
round to make it even
d)
round to make it odd
16.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
17.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
18.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
19.
What is 1042 Liters rounded to 2 significant figures?
a)
1040 L
b)
1.1 x 103 L
c)
1.0 x 103 L
d)
1050 L
20.
What is 98.907 rounded to 1 significant figure?
a)
98.9
b)
90
c)
100
d)
98.91
21.
What is 250 rounded to 5 significant figure?
a)
250.
b)
00250.
c)
250.0
d)
250.00
22.
5.50 cm + 5.50 cm
Calculate and give your answer rounded to the appropriate number of significant figures.
Calculate and give your answer rounded to the appropriate number of significant figures.
a)
11 cm
b)
11.0 cm
c)
11.00 cm
d)
11.000 cm
23.
12.34 + 1.234 + 0.1234
Calculate and give your answer rounded to the appropriate number of significant figures.
Calculate and give your answer rounded to the appropriate number of significant figures.
a)
13.6974
b)
13.697
c)
13.70
d)
13.7
24.
345.009 g - 23.009 g
Calculate and give your answer rounded to the appropriate number of significant figures.
Calculate and give your answer rounded to the appropriate number of significant figures.
a)
322.00 g
b)
322 g
c)
322.000 g
d)
322
25.
7.987 m - 0.54 m
Calculate and give your answer rounded to the appropriate number of significant figures.
Calculate and give your answer rounded to the appropriate number of significant figures.
a)
7.45 m
b)
7.447 m
c)
7.4 m
d)
7.5 m
26.
When performing the calculation 34.530 g + 12.1 g + 1222.34 g the final answer must have
a)
Three significant figures
b)
One decimal place
c)
Two decimal places
d)
Three decimal places
27.
1.23 m x 0.89 m
Calculate and give your answer rounded to the appropriate number of significant figures.
Calculate and give your answer rounded to the appropriate number of significant figures.
a)
1.0 m2
b)
1.1 m2
c)
1.0947 m2
d)
1.09 m2
28.
123 000 m x 3234 m
Calculate and give your answer rounded to the appropriate number of significant figures.
Calculate and give your answer rounded to the appropriate number of significant figures.
a)
3.97 x 10-7 m2
b)
39 800 000 m2
c)
398 m2
d)
3.98 x 108 m2
29.
923 g ÷ 20312 cm3
Calculate and give your answer rounded to the appropriate number of significant figures.
Calculate and give your answer rounded to the appropriate number of significant figures.
a)
0.04 g/cm3
b)
0.045 g/cm3
c)
0.0454 g/cm3
d)
4 x 10-2 g/cm3
30.
12.47 m ÷ 3.2 s
Calculate and give your answer rounded to the appropriate number of significant figures.
Calculate and give your answer rounded to the appropriate number of significant figures.
a)
4 m/s
b)
3.9 m/s
c)
3.90 m/s
d)
3.897 m/s
31.
0.020 cm x 50 cm x 11.1 cm
Calculate and give your answer rounded to the appropriate number of significant figures.
Calculate and give your answer rounded to the appropriate number of significant figures.
a)
10 cm3
b)
11.1 cm3
c)
11 cm3
d)
11. cm3
32.
A measured volume is reported as:
54.26 mL
What is the smallest graduation on the instrument used to make that measurement?
54.26 mL
What is the smallest graduation on the instrument used to make that measurement?
a)
10
b)
1
c)
0.1
d)
0.01
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