Use the Product Rule to Multiply $\sqrt [ 3 ] { 8 m ^ { 3 } } \cdot \sqrt [ 3 ] { 27 m ^ { 3 } }$

Multiple Choice

Use the product rule to multiply. Assume all variables represent positive real numbers.
- $\sqrt [ 3 ] { 8 m ^ { 3 } } \cdot \sqrt [ 3 ] { 27 m ^ { 3 } }$

A) $5 \mathrm {~m}$
B) 6
C) $6 \mathrm {~m} ^ { 2 }$
D) $- 2 m$