# How do you simplify ((3^3m^2n)/n^3)^2?

$= 27 {m}^{4} / {n}^{4}$
${\left({3}^{3} {m}^{2} \frac{n}{n} ^ 3\right)}^{2}$
$= {\left(27 {m}^{2} / {n}^{2}\right)}^{2}$
$= 27 {m}^{4} / {n}^{4}$