Question

how to evaluate 8^-4

Answer 1

\(we\ have: \ \huge a^{-m} = \frac{1}{a^m}\)

Answer 2

\(\huge 8^{-4} = \frac{1}{8^4} = \frac{1}{4096}\)

Answer 3

oh thanks ,

Answer 4

welcome.. :))

Answer 5

\[8^{-4}=\frac18\times\frac18\times\frac18\times\frac18\]