Resposta :
[tex] {3}^{2} \times {3}^{ - 5} [/tex]
[tex] {3}^{2 - 5} [/tex]
[tex] {3}^{ - 3} \: ou= \frac{1}{ {3}^{3} } = \frac{1}{27 }[/tex]
[tex] {3}^{2} \times {3}^{ - 5} [/tex]
[tex] {3}^{2 - 5} [/tex]
[tex] {3}^{ - 3} \: ou= \frac{1}{ {3}^{3} } = \frac{1}{27 }[/tex]