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.
(12)−2\left(\frac{1}{2}\right)^{-2}
2.
2−22^{-2}
3.
(15)−2\left(\frac{1}{5}\right)^{-2}

Write in standard form (scientific notation).

e.g. 4.5·10^3

4.
56005600
5.
79007900
6.
8,900,0008{,}900{,}000
7.
0.00410.0041

Write as an ordinary number.

8.
3.5×10−33.5 \times 10^{-3}
9.
7.7×1047.7 \times 10^{4}
10.
6×1026 \times 10^{2}