Question

1/27 writing it as a power of 2,3 and/or 5.

Answer 1

i know the answer is 3^-3
but why?

Answer 2

We know that 3^3=27 correct?

Answer 3

yeah

Answer 4

So \[\frac{1}{27}=\frac{1}{3^3}=3^{−3}\]

Answer 5

Because \[x^{-n}=\frac{1}{x^n}\]