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.
3−23^{-2}
3.
2−22^{-2}

Write in standard form (scientific notation).

e.g. 4.5·10^3

4.
2,200,0002{,}200{,}000
5.
0.00060.0006
6.
0.0420.042
7.
0.0080.008

Write as an ordinary number.

8.
5.5×10−35.5 \times 10^{-3}
9.
2.5×1052.5 \times 10^{5}
10.
6.6×1026.6 \times 10^{2}

0 of 10 right

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