Answer:
Step-by-step explanation:
[tex] {6}^{6} . {6}^{ - 9} [/tex]
[tex] = {6}^{6 + ( - 9)} [/tex]
[tex] = {6}^{ - 3} [/tex]
[tex] = \frac{1}{ {6}^{3} } (ans)[/tex]