Respuesta :

Stiaen
[tex](-5xy^2)(-4x^2y)=5xy^2\times4x^2y=20x^1y^2x^2y^1=20x^{1+2}y^{2+1}=20x^3y^3[/tex]
the answer is 20x^3 y^3

I hope this helps!!