Answer:
Step-by-step explanation:
80x^2y=16*5*x^2*y=4^2*x^2*5*y=(4x)^2*5*y
56x^3*y^2=7*8x^3y^2=7*2^3*x^3*y^2=(2*x)^3*7*y^2
81xy^2=9^2y^2x=(9y)^2*x
