Simplify the Following Expression $$x ^ { 6 } \cdot x ^ { 2 }$$

Multiple Choice

Simplify the following expression. $$x ^ { 6 } \cdot x ^ { 2 }$$

A) $x ^ { 4 }$
B) $x ^ { 12 }$
C) $2 x ^ { 36 }$
D) $x ^ { 36 }$
E) $x ^ { 8 }$