Simplify
- $\left(\frac{x^{5} y}{z^{4}}\right)^{4}$ A) $\frac{x^{20} y^{4}}{z^{16}}$ B) $\frac{x^{4} y^{20}}{z^{16}}$ C) $\frac{x^{20} y^{4}}{z^{4}}$ D) $\frac{x^{9} y^{4}}{z^{8}}$

Multiple Choice

Simplify.
- $\left(\frac{x^{5} y}{z^{4}}\right) ^{4}$

A) $\frac{x^{20} y^{4}}{z^{16}}$
B) $\frac{x^{4} y^{20}}{z^{16}}$
C) $\frac{x^{20} y^{4}}{z^{4}}$
D) $\frac{x^{9} y^{4}}{z^{8}}$