# How do you simplify (5c^(-4))(-4m^(2)c^(8))?

$\left(5 {c}^{- 4}\right) \left(- 4 {m}^{2} {c}^{8}\right)$
$\left(5\right) \left(- 4\right) \left({c}^{- 4} \cdot {c}^{8}\right) \left({m}^{2}\right)$
$- 20 {c}^{4} {m}^{2}$