Worksheets

Powers and roots

Level 3 · Negative powers and standard form

Type your answers and press Check. Each answer is marked at once.

Calculate.

1.
(15)−2\left(\frac{1}{5}\right)^{-2}
2.
2−32^{-3}
3.
10−110^{-1}

Write in standard form (scientific notation).

e.g. 4.5·10^3

4.
0.000260.00026
5.
490,000490{,}000
6.
0.000170.00017
7.
120,000120{,}000

Write as an ordinary number.

8.
6×1046 \times 10^{4}
9.
2.6×1022.6 \times 10^{2}
10.
4.6×1054.6 \times 10^{5}

0 of 10 right

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