Multiply and Leave Your Answer in Exponent Form $$\left( - 2 a ^ { 5 } b \right) \left( - 7 a ^ { 3 } b ^ { 4 } \right) ( 0 )$$

Multiple Choice

Multiply and leave your answer in exponent form.
- $$\left( - 2 a ^ { 5 } b \right) \left( - 7 a ^ { 3 } b ^ { 4 } \right) ( 0 )$$

A) $14 a ^ { 8 } b ^ { 5 }$
B) 1
C) $14 a ^ { 5 } b ^ { 4 }$
D) 0