Use the Rule for Exponents to Simplify $\left( - z ^ { 4 } \right) ^ { 5 }$

Multiple Choice

Use the rule for exponents to simplify. $\left( - z ^ { 4 } \right) ^ { 5 }$

A) $- z ^ { 9 }$
B) $- z 20$
C) $- z ^ { 18 }$
D) $- y ^ { 17 }$
E) $- y ^ { 19 }$