Question

Solve the following equation and find the value of $m$ in $2^{m-3}=1$

Answer 1

$2^{m-3}=\mathrm{1...}\left(1\right)$

$2^0=\mathrm{1...}\left(2\right)$

from (1) and (2)

$m-3=0$

$m=3$