2 5.2 Using standard form
Guided practice worksheet
1
2
Questions are targeted at the grades indicated
B
Write these numbers in standard form.
a 6000 .................................................................................
b 200 ....................................................................................
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c 5 000 000 ........................................................................
d 76 000 ..............................................................................
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e 23 .....................................................................................
f 92 100 000 ......................................................................
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g 2850 ................................................................................
h 812 000 ............................................................................
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i 567 ....................................,,.............................................
j 981.02 ..............................................................................
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k 30 .....................................................................................
l 2318 .................................................................................
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Write these as ordinary numbers.
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b 6 × 104 .............................................................................
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a 8 × 102
c 7 × 101
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e 5 × 100
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d 2 × 105
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f 8.3 × 104
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g 9.3 × 102 ..........................................................................
h 6.07 × 105 .......................................................................
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i 5.672 × 102 .....................................................................
j 3.2 × 107 ..........................................................................
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95A
2 5.2 Using standard form
Guided practice worksheet
3
4
B
Write these numbers in standard form.
a 0.0008 .............................................................................
b 0.06 ..................................................................................
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c 0.000 002 .......................................................................
d 0.9 ....................................................................................
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e 0.036 ...............................................................................
f 0.000 872 .......................................................................
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g 0.000 005 62 .................................................................
h 0.080 54 .........................................................................
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i 0.34 .................................................................................
j 0.000 002 .......................................................................
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k 0.003 ...............................................................................
l 0.004 523 .......................................................................
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Write these as ordinary numbers.
a 5 × 10–3 ...........................................................................
b 8 × 10–2 ...........................................................................
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c 7 × 10–4 ...........................................................................
d 1 × 10–1 ...........................................................................
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e 3 × 10–6 ...........................................................................
f 9.2 × 10–3 .......................................................................
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g 3.5 × 10–2
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h 8.04 × 10–6 .....................................................................
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i 8.15 × 10–1 .....................................................................
j 4.9 × 10–5 .......................................................................
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95B
2 5.2 Using standard form
Guided practice worksheet
5
B
These numbers are not in standard form.
Rewrite each number so that it is in standard form.
6
a 67 × 102 .........................................................................
b 85 × 105 ..........................................................................
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c 0.027 × 104 ....................................................................
d 156 × 108 .......................................................................
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e 0.0093 × 106 .................................................................
f 721 × 10–3 ......................................................................
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g 38 × 10–2 .........................................................................
h 0.034 × 10–3 ..................................................................
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i 815 × 10–6 ......................................................................
j 0.006 × 10–5 ..................................................................
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Work out and give your answer in standard form.
A
a (3 × 10 ) × (2 × 10 ) ...................................................
b (4 × 10 ) × (2 × 10 ) ...................................................
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c (1.3 × 106) × (5 × 10–2) .............................................
d (5 × 104) × (7 × 103) ...................................................
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e (8 × 10–4) × (5 × 108) .................................................
f (4.3 × 101) × (6 × 107) ................................................
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5
2
3
7
95C