Question

find when
(1/27)^-2/3

Answer 1

${ (\frac{1}{27}) }^{ \frac{ - 2}{3} } \\ = ( { \frac{1}{3} )}^{3 \times \frac{ - 2}{3} } \\ = { (\frac{1}{3} )}^{ - 2} \\ = {3}^{2} \\ = 9$

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