Question

If $(-4{)}^8÷(-4{)}^4$ is $(-4{)}^m$, then find the value of $m$.

Answer 1

$(-4{)}^8÷(-4{)}^4$$=\frac{{-4}^8}{{-4}^4}$
$={-4}^{(}8-4)$

$={-4}^4$

Therefore $4$ = $m$