Respuesta :

we have

[tex]\begin{gathered} (2x^{(-2)}y^{(-4)})\cdot(x^5\cdot y^{(-1)})=2x^{(-2+5)}\cdot y^{(-4-1)}=2x^{(3)}\cdot y^{(-5)}=\frac{2x^3}{y^5} \\ \end{gathered}[/tex]