Resposta:
Explicação passo a passo:
[tex]\frac{9*(3^{-2})^3*3^{-3}}{3^{-6}*3}\\\\\frac{3^2*3^{-6}*3^{-3}}{3^{-6}*3}\\\\\frac{3^{2+(-6)+(-3)}}{3^{-6+1}}\\\\\frac{3^{-7}}{3^{-5}} =3^{-7-(-5)}\\\\3^{-7+5}\\\\3^{-2}\\\\\frac{1}{3^2}\\\\\frac{1}{9}[/tex]
