(27a^6)^-2/3
what would this be compleltly simplified
=1/(2187 a^12)
(27a6)-2/3
Since 27 = 33:
= (33a6)-2/3
= (33)-2/3·(a6)-2/3
= (33·-2/3)·(a6·-2/3)
= (3-2)·(a-4)
= (1/9)·(1/a4)
= 1 / (9a4)
