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WorksheetsQuiz Estimation, Significant Figure and Scientific Notation
Total questions: 12
Worksheet time: 14mins
Name
Class
Date
1.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
2.
What is 78.5 rounded to one significant figure?
a)
79
b)
78.5
c)
70
d)
80
3.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
4.
How many significant figure for this number is: 67,400,000
a)
3
b)
7
c)
2
d)
8
5.
0.000 000 45 kg
a)
45 x 106 kg
b)
4.5 x 10-7 kg
c)
0.45 x 10-6 kg
d)
4.5 x 10-6 kg
6.
What is 0.000328 rounded to 1 significant figure?
a)
0
b)
0.0003
c)
0.00033
d)
0.000328
7.
How many significant figure 0.000000000154?
a)
13
b)
12
c)
2
d)
3
8.
Leo's morning bus route picked up 176 students for school. In the afternoon, the bus took 84 students home. Which estimate shows about bout how many more students did Leo's bus take in the morning than in the afternoon?
a)
300
b)
100
c)
200
d)
20
9.
116.677 ÷ 0.521
Write the question rounded to 1 significant figure
a)
100 ÷ 0.6
b)
200 ÷ 0.5
c)
200 ÷ 0.6
d)
100 ÷ 0.5
10.
84.674 x 0.219
Estimate the answer to 3 significant figure
a)
18.4
b)
17.5
c)
18.4
d)
18.5
11.
Round 888 to one significant figure:
a)
900
b)
800
c)
880
d)
890
12.
Indicate how many significant figures for the number below.
0.00800
a)
1 significant figure
b)
2 significant figures
c)
3 significant figures
d)
4 significant figures
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