Question

9 to the powerx/729 equal to 81 find the value of x​

Answer 1

Answer:

$\frac{ {9}^{x} }{729} = 81 \\ \frac{ {9}^{x} }{ {9}^{3} } = {9}^{2} \\ {9}^{x - 3} = {9}^{2} \\ base \: of \: both \: side \: is \: same \\ so \: cancelling \: 9 \\ x - 3 = 2 \\ x = 2 + 3 \\ x = 5$