Respuesta :
[tex]\bf ~~~~~~~~~~~~\textit{negative exponents}\\\\
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}}
\\\\
-------------------------------\\\\
x^3\div x^5\implies \cfrac{x^3}{x^5}\implies \cfrac{x^3}{1}\cdot \cfrac{1}{x^5}
\\\\\\
x^3x^{-5}\implies x^{3-5}\implies x^{-2}\implies \cfrac{1}{x^2}[/tex]
