Answer:
[tex]( {6}^{3} ) {}^{ - 3} \\ = \frac{1}{( {6}^{3}) {}^{3} } \\ \\ = \frac{1}{ {6}^{9} } \\ \\ = {6}^{ - 9} [/tex]
6^-9
Step-by-step explanation:
the answer is proved above