Question

please help this question​

Answer 1

Step-by-step explanation:

we know that

${ ({a}^{m}) }^{n} = {a}^{mn}$

so

$({ ({ \frac{4}{3} )}^{2} )}^{ - 1} = {( \frac{4}{3} )}^{ - 2}$

and we know that

${a}^{ - n} = \frac{1}{ {a}^{n} }$

so

${ \frac{4}{3} }^{ - 2} = \frac{1}{ { (\frac{4}{3} )}^{2} } = {( \frac{3}{4}) }^{2}$

=9/16