Answer:
option B
explanation:
[tex]\rightarrow \sf (\dfrac{xy^2}{x^{-3}y^3} )^{-4}[/tex]
multiply powers: [tex]\bold{(a^b)^c = a^{bc}}[/tex]
[tex]\rightarrow \sf \dfrac{x^{-4}y^{2*-4}}{x^{-3*-4}y^{3*-4}}[/tex]
simplify the following
[tex]\rightarrow \sf \dfrac{x^{-4}y^{-8}}{x^{12}y^{-12}}[/tex]
