Question

efetuando-se (1/3)10 . (1/3)10 : (1/3)22 obtém-se

Answer 1

$( \frac{1}{3} )^{10} . \frac{( \frac{1}{3} )^{10}}{ (\frac{x}{y}) ^{22}} = \\ \\ =( \frac{1}{3} )^{10} . ( \frac{1}{3} )^{10-22} = \\ \\= ( \frac{1}{3} )^{10} . (\frac{1}{3}) ^{-12}= \\ \\= ( \frac{1}{3}) ^{10-12} = ( \frac{1}{3})^{-2} =3^2=9$