Answer:
A. 10mn3
Step-by-step explanation:
To do such division, you need to divide each term (-50, m3 and n5) by its counterpart below.
So, to divide –50m3n5 by –5m2n2, we must do
–50 / -5 = 10
m3 / m2 = m
n5 / n2 = n3
So, overall we have 10mn3
That's easy like that.