Simplify the Expression $\left( x ^ { 4 } \right) ^ { 6 }$

Multiple Choice

Simplify the expression. Assume all variables represent nonzero real numbers.
- $\left( x ^ { 4 } \right) ^ { 6 }$

A) $x ^ { 24 }$
B) $6 x ^ { 4 }$
C) $x ^ { 10 }$
D) $24 x$