Write the Following Number in Exponential Notation $8 \cdot 8 \cdot 8 \cdot 8 \cdot 8$

Write the following number in exponential notation: $8 \cdot 8 \cdot 8 \cdot 8 \cdot 8$

A) $5 ^ { 8 }$
B) $5.8$
C) $8 ^ { 5 }$
D) $\frac { 8 } { 5 }$
E) $\frac { 5 } { 8 }$