Question

simplify __>

Answer 1

-3 is an exponent

Answer 2

\[b^3*b^{-3}\]?

Answer 3

i know tha the first one b3 equals 125 but i dont know how to do it with the negative sign

Answer 4

b=5 that means 5with the 3 as an exponent and so on

Answer 5

\[b^{-3}=\frac{1}{b^{3}}\]

Answer 6

when b = 5
\[b^3*b^{-3}=5^3*5^{-3}=1\]

Answer 7

so the answer is \[\frac{ 1 }{ 125 }\]

Answer 8

or just 1