Question

(2/3)-7 expressed as positive exponents is​

Answer 1

Answer:

${ (\frac{2}{3}) }^{ - 7}$

$= { (\frac{3}{2}) }^{7}$

as,

a^-n = ( 1/a) ^n

Answer 2

$\sf{ (\frac{2}{3}) }^{ - 7}$

= $\sf{ (\frac{3}{2}) }^{7}$

as,

$a^-n = ( 1/a) ^n$