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16 questions
Write the number 3200 in standard form.
32 x 102
3.2 x 102
3.2 x 103
3.2 x 104
Write the number 0.004 in standard form.
4 x 103
4 x 10-3
4 x 10-2
4 x 102
Write the number 45 000 000 in standard form.
4.5 x 107
4.5 x 106
45 x 107
4 x 108
Write this as an ordinary number: 5.6 x 103
5600
560
0.56
56000
Write 0.000406 in standard form.
4 x 10-4
4 x 10-3
4.06 x 103
4.06 x 10-4
Write the number 456 800 in standard form correct to 1 significant figure.
5 x 104
5 x 105
4 x 105
4 x 104
Write this as an ordinary number: 9.1 x 10-4
0.0091
0.00091
0.0009
0.000091
Write the number 0.00302 in standard form correct to 1 significant figure.
3 x 10-3
3 x 10-2
4 x 10-3
4 x 10-2
Write this as an ordinary number: 4.03 x 105
403 000
4 030 000
40 300
400 000
Which number is written in standard form:
0.5 × 104 5 × 10-4 50 × 104 5 × 100.4
0.5 × 104
5 × 10-4
50 × 104
5 × 100.4
Write the number
six million five thousand two hundred
in standard form.
6.0052 x 106
6.52 x 106
6.052 x 106
6 x 106
Write these numbers in descending order:
9563 9.56 × 103 9.56 × 310
You can use a calculator
9.56 × 103 9.56 × 310 9563
9.56 × 310 9563 9.56 × 103
9.56 × 103 9563 9.56 × 310
9563 9.56 × 310 9.56 × 103
Which of these values of n makes 2.7 × 10n a cube number?
0
1
2
3
Which of these is not a square number?
4 X 102
4 X 106
9 X 103
9 X 104
Which of these has the greatest value?
6.15 × 104
61 499
6.2 × 103
61.6 × 103
Here is a list of numbers:
1 000 000 4.6 × 104 63 000 5 × 103 1.7 × 105
Work out the range. Write your answer in standard form.
9.5 x 105
9.95 x 105
1 x 105
9 x 105
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