Question

Express $625$ as a power of $5$.

Answer 1

Given: $625$

$\begin{array}{cc}5& 625\\ 5& 125\\ 5& 25\\ 5& 5\\ & 1\end{array}$

$\therefore 625=5\times 5\times 5\times 5=5^4$

Hence, $625=5^4$