Question

Help with this please?

Answer 1

\[(7m ^{-1}n ^{3})/n ^{2}r ^{-2})3\]

Answer 2

Use Law of Exponents:

\[\huge \color{green}{\frac{n^a}{n^b} = n^{a-b}}\]

\[\huge \color{red}{\frac{1}{r^{-a}} = r^a}\]

Answer 3

im so sorry.. haha im i still dont understand.

Answer 4

Is 3 in the power??

Answer 5

@sakigirl , can you rewrite the expression correctly? there is that parenthesis that does not have an opening partner so the 3 at the end is ambiguous...