Respuesta :

[tex]~\hspace{7em}\textit{negative exponents} \\\\ \underset{\stackrel{~\hfill \uparrow }{\textit{yeap, they do}}}{a^{-n} \implies \cfrac{1}{a^n}} ~\hspace{4.5em} a^n\implies \cfrac{1}{a^{-n}} ~\hspace{4.5em} \cfrac{a^n}{a^m}\implies a^na^{-m}\implies a^{n-m}[/tex]

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