Question

whats 51 with a exponent of 1 ?
whats 5 with a expontent of -2?
whats 6 with a expontent of -3?

Answer 1

\[b^{-n}=\frac{1}{b^n}\] and so
\(5^{-2}=\frac{1}{5^2}=\frac{1}{25}\)