Question

Which of the following is an equivalent representation of 3Which of the following is an equivalent representation of 3^-4 ?

A. 1/9


B. 1/81


C. 1/27


D. 1/256

Answer 1

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

remember$x^{-m}= \frac{1}{x^m}$

so
$3^{-4}= \frac{1}{3^4}= \frac{1}{81}$

B is the answer