# How do you simplify (-(5f^9g^4h^2)/(fg^2h^3))^0?

Use this rule for exponents: ${a}^{\textcolor{red}{0}} = 1$
${\left(- \frac{5 {f}^{9} {g}^{4} {h}^{2}}{f {g}^{2} {h}^{3}}\right)}^{0} = 1$