# How do you simplify (y^6z^9)(6y^4z^2)?

$6 {y}^{10} {z}^{11}$
$\left({y}^{6} {z}^{9}\right) \left(6 {y}^{4} {z}^{2}\right) = {y}^{6} \cdot {z}^{9} \cdot 6 \cdot {y}^{4} \cdot {z}^{2} = 6 \cdot {y}^{6 + 4} \cdot {z}^{9 + 2} = 6 {y}^{10} {z}^{11}$