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.
2−32^{-3}
2.
(15)−2\left(\frac{1}{5}\right)^{-2}
3.
10−410^{-4}

Write in standard form (scientific notation).

e.g. 4.5·10^3

4.
19001900
5.
0.0280.028
6.
7,600,0007{,}600{,}000
7.
4,900,0004{,}900{,}000

Write as an ordinary number.

8.
3.1×1023.1 \times 10^{2}
9.
2.6×10−22.6 \times 10^{-2}
10.
7.2×10−17.2 \times 10^{-1}