Question

What is the decimal form of $\frac{1}{50}$?

Answer 1

On factorising the denominator,
$\frac{1}{50}$ = $\frac{1}{5^2\times 2}$

To convert a fraction into decimal form, make the denominator in terms of multiples of 10.

$\frac{1}{5^2\times 2}=\frac{1}{5^2\times 2}\times \frac{2}{2}=\frac{2}{5^2\times 2^2}=\frac{2}{{10}^2}=\frac{2}{100}=0.02$