Question

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

Answer 1

$frac{1}{3} ^{-2} = 9$

Answer 2

$y^{-2}=frac{1}{y^2} textless = textgreater frac{1}{y^2}=y^{-2}to (frac{1}{3})^{-2}=3^2=9$