WorksheetsQuiz- Significant Figures & Rounding
Total questions: 17
Worksheet time: 32mins
Name
Class
Date
1.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
2.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
3.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
4.
What is 98.907 rounded to 1 significant figure?
a)
98.9
b)
90
c)
100
d)
98.91
5.
Calculate 5.50 cm + 5.50 cm and give your answer with the appropriate number of significant figures.
a)
11 cm
b)
11.0 cm
c)
11.00 cm
d)
11.000 cm
6.
Calculate 12.34 + 1.234 + 0.1234 and give your answer with the appropriate number of significant figures.
a)
13.6974
b)
13.697
c)
13.70
d)
13.7
7.
Calculate 7.987 m - 0.54 m and give your answer with the appropriate number of significant figures.
a)
7.45 m
b)
7.447 m
c)
7.4 m
d)
7.5 m
8.
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
9.
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
10.
Calculate 123000 m x 3234 m and give your answer with the appropriate number of significant figures.
a)
3.97 x 10-7 m2
b)
39800000 m2
c)
398 m2
d)
3.98 x 108 m2
11.
Calculate 923 g ÷ 20312 cm3 and give your answer with 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
12.
Calculate 12.47 m ÷ 3.2 s and give your answer with 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
13.
Calculate 0.020 cm x 50 cm x 11.1 cm and give your answer with the appropriate number of significant figures.
a)
10 cm3
b)
11.1 cm3
c)
11 cm3
d)
11. cm3
14.
How many sig figs are in 1010?
a)
1
b)
2
c)
3
d)
4
15.
Identify the number of sig figs in 0.0810.
a)
2
b)
3
c)
4
d)
5
16.
Which answer is rounded to the correct place for the equation below?
292.92 / .0024 = 121750.0
a)
121750.0
b)
121800
c)
122000
d)
120000
17.
How many significant figures are in the number? 4.06 x 10-5 m
a)
3
b)
7
c)
5
d)
unknown
100 %
