Divide Leave Your Answer in Exponent Form $\frac { 12 m ^ { 3 } n ^ { 10 } } { 4 m ^ { 2 } n ^ { 7 } }$

Multiple Choice

Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero.
- $\frac { 12 m ^ { 3 } n ^ { 10 } } { 4 m ^ { 2 } n ^ { 7 } }$

A) $3 n ^ { 3 }$
B) $3 m n ^ { 3 }$
C) $12 \mathrm { mn } ^ { 3 }$
D) $3 m ^ { 5 } n$