Multiply the Monomials $\left( 6 x ^ { 7 } \right) \left( 4 x ^ { 2 } \right)$

Multiple Choice

Multiply the monomials.
- $\left( 6 x ^ { 7 } \right) \left( 4 x ^ { 2 } \right)$

A) $24 x ^ { 14 }$
B) $- 24 x ^ { 14 }$
C) $- 24 x ^ { 9 }$
D) $24 x ^ { 9 }$