Use the Rule for Exponents to Simplify $\left( - 2 m ^ { 3 } \right) ^ { 2 }$

Multiple Choice

Use the rule for exponents to simplify. $\left( - 2 m ^ { 3 } \right) ^ { 2 }$

A) $4 y ^ { 5 }$
B) $8 y ^ { 6 }$
C) $2 m ^ { 6 }$
D) $12 m ^ { 4 }$
E) $4 m ^ { 6 }$