Question

3.2elevado-2 -2.3elevado-2

Answer 1

$3.2^{-2}-2.3^{-2}\\ \\ 3.\frac{1}{4}-2.\frac{1}{9}=\\ \\ \frac{3}{4}-\frac{2}{9}=\frac{27-8}{36}=\frac{19}{36}$