Use the Laws of Exponents to Simplify $$\left( 8 ^ { - 6 } \right) ^ { - 3 }$$

Multiple Choice

Use the laws of exponents to simplify. Do not use negative exponents in your answer.
- $$\left( 8 ^ { - 6 } \right) ^ { - 3 }$$

A) $8 ^ { 9 }$
B) $8 ^ { 18 }$
C) $\frac { 1 } { 8 ^ { 18 } }$
D) $\frac { 1 } { 8 ^ { 9 } }$