Question

divide m2n3/p3 by mp/n2

Answer 1

The answer is (B). I hope this helps!

Answer 2

m^2 n^3         mp
----------- /   -----------
  p^3              n^2

= m^2 n^3  *    n^2
   ----------        ----
       p^3          m p

=    m n^5
      --------    (answer) 
         p^4   

Its B.