Question

What is the decimal form of $\frac{1}{625}$?

• A. 0.0016
• B. 0.004
• C. 0.016
• D. 0.008

Answer 1

The correct option is A 0.0016

On factorising the denominator,
$\frac{1}{625}$ = $\frac{1}{5^4}$

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

$\frac{1}{5^4}=\frac{1}{5^4}\times \frac{2^4}{2^4}=\frac{2^4}{{10}^4}=\frac{16}{10000}=0.0016$