WorksheetsChapter 2 : Standard Form
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Round off 2475 correct to 2 significant figures.
a)
2000
b)
2400
c)
2500
d)
2480
2.
Round off 54 299 correct to 4 significant figures.
a)
5429
b)
5430
c)
54 290
d)
54 300
3.
Round off 0.0007018 correct to 3 significant figures.
a)
0.00
b)
0.001
c)
0.00070
d)
0.000702
4.
Round off 35.074 correct to 1 significant figure.
a)
30
b)
35
c)
36
d)
40
5.
State the number of significant figures for 0.002000.
a)
4
b)
3
c)
2
d)
1
6.
State the number of significant figures of 2600.
a)
1
b)
2
c)
3
d)
4
7.
Write 5075 in standard form.
a)
5.075 × 101
b)
5.075 × 102
c)
5.075 × 103
d)
5.075 × 104
8.
Write 97.25 in standard form.
a)
9.725 × 101
b)
9.725 × 103
c)
9.725 × 10−1
d)
9.725 × 10−3
9.
Change 4.23 x 102 to single numbers.
a)
0.423
b)
0.0423
c)
42.3
d)
423
10.
Change 7.29 x 10-2 to single numbers.
a)
0.0729
b)
0.729
c)
72.9
d)
729
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