# How do you simplify (6x ^ { 4} y ^ { 3} ) ^ { - 2}?

$\frac{1}{36 {x}^{8} {y}^{6}}$
$\frac{1}{6 {x}^{4} {y}^{3}} ^ 2$
$\frac{1}{36 {x}^{8} {y}^{6}}$