Question

Please help!!! (2b)^-5=????

Answer 1

you mean \[\left( 2b \right)^\left( -5 \right) = ?\]

Answer 2

I am thinking (2)^-5 x (b)^-5= 42^-5.b^-5..not sure

Answer 3

yes

Answer 4

it can be written as

\[\frac{ 1 }{ \left( 2b \right)^\left( 5 \right) }\]

Answer 5

and now i say its easy to solve :)