Question

what is 3^-3

Answer 1

0.037037037

Answer 2

or 1/3^3=1/27

Answer 3

In general if you have a negative exponent \[x ^{-y}=\frac{1}{x^y}\]

So this becomes\[3^{-3}=\frac{1}{3^3}=\frac{1}{27}\]