Write the Expression Using Exponential Notation $( - 3 x ) \cdot ( - 3 x ) \cdot ( - 3 x ) \cdot ( - 3 x )$

Multiple Choice

Write the expression using exponential notation. Then identify the base and the exponent.
- $( - 3 x ) \cdot ( - 3 x ) \cdot ( - 3 x ) \cdot ( - 3 x )$

A) $- 3 x ^ { 4 }$
base: $- 3 x$
exponent: 4
B) $- 3 x ^ { 4 }$
base: $3 \mathrm { x }$
exponent: 4
C) $( - 3 x ) ^ { 4 }$
base: $3 x$
exponent: 4
D) $( - 3 x ) ^ { 4 }$
base: $- 3 x$
exponent: 4