Simplest form of 8x ^2 y ^2 divided by 10 x ^2 y ^3

You might want to tackle this problem one variable at a time.

 8x^2
= 0.8
10x^2

Next:

 y^2          1
=
y^3           y
                                                                         4
Last, mult these 2 results together, obtaining
                                                                          5y