Question

one-eighth can be written as 2 to the what power?

Answer 1

\[b^{-n}=\frac{1}{b^n}\] so
\[2^{-3}=\frac{1}{2^3}=\frac{1}{8}\]

Answer 2

so... \[2^-3\]

Answer 3

question is "what power"
answer is "-3"

Answer 4

thanks