Respuesta :

apologiabiology
not sure why 40 points, but hey, who's complaining?

remember[tex]x^{-m}= \frac{1}{x^m} [/tex]

so
[tex]3^{-4}= \frac{1}{3^4}= \frac{1}{81} [/tex]

B is the answer

Otras preguntas