# How do you simplify ((3c)/(2y^2))^4 and write it using only positive exponents?

$\frac{81 {c}^{4}}{16 {y}^{8}}$
${\left(\frac{3 c}{2 {y}^{2}}\right)}^{4}$
=$\frac{{3}^{4} {c}^{4}}{{2}^{4} {y}^{8}}$
=$\frac{81 {c}^{4}}{16 {y}^{8}}$