Respuesta :

[tex]\bf a^{-n} \implies \cfrac{1}{a^n} \qquad \qquad \cfrac{1}{a^n}\implies a^{-n} \qquad \qquad a^n\implies \cfrac{1}{a^{-n}} \\\\ -------------------------------\\\\ \cfrac{3^2}{3^4}\implies 3^2\cdot 3^{-4}\implies 3^{2-4}\implies 3^{-2}\quad \checkmark \\\\\\ \cfrac{3^1}{3^3}\implies 3^1\cdot 3^{-3}\implies 3^{1-3}\implies 3^{-2}\quad \checkmark[/tex]

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