Question

How do you simplify `m/m^3`?

Answer 1

`m^3=m^(1+2)=m^1xxm^2=mxxm^2`

`=>m/m^3=cancel(m)/(cancel(m)xxm^2)= 1/m^2 =m^-2`

Answer 2

By considering that `m^3` is nothing else than `m*m*m`

`m/m^3=m/(m*m*m)`

You can cancel the `m` above against one of the `m`'s below.

`=1/(m*m)=1/m^2`