Question

If $x=3$ and $y=-2$ then the value of $x^x+y^{-y}$ is ___

Answer 1

Given $x=3$ and $y=-2$

$x^x+y^{-y}$ = $3^3+(-2{)}^{-(-2)}$

= $3^3+(2{)}^2$

= $27+4=31$