Question

Find the cube of  0.08 .

Answer 1

We have:

\[0 . 08 = \frac{8}{100}\]

Also,

\[\left( \frac{m}{n} \right)^3 = \frac{m^3}{n^3}\]

∴ \[\left( \frac{8}{100} \right)^3 = \frac{8^3}{{100}^3} = \frac{8 \times 8 \times 8}{100 \times 100 \times 100} = \frac{512}{1000000} = 0 . 000512\]