Simplify the Complex Number and Write It in Standard Form $- 42 i ^ { 5 }$

Multiple Choice

Simplify the complex number and write it in standard form.​ $- 42 i ^ { 5 }$ ​

A) ​ $- 42 i ^ { 3 }$
B) ​ $42 i ^ { 3 }$
C) ​ $- 42 i$
D) ​ $- 42$
E) ​ $42 i$