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.
(14)−2\left(\frac{1}{4}\right)^{-2}
3.
10−410^{-4}

Write in standard form (scientific notation).

e.g. 4.5·10^3

4.
0.00650.0065
5.
6,400,0006{,}400{,}000
6.
0.000270.00027
7.
0.0330.033

Write as an ordinary number.

8.
2.1×1032.1 \times 10^{3}
9.
5×1055 \times 10^{5}
10.
6.4×1036.4 \times 10^{3}

0 of 10 right

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