which expressions are equivalent to (-4x^-3 y^-5)

\frac{16y^{-10}}{x^{6}}

\frac{16y^{10}}{x^{10}}

-8x^{-5}\ y^{7}

\frac{-8y^{7}}{x^{5}}

16x^{-6}\ y^{-10}

The correct equivalent expressions to (-4x^-3 y^-5) are:

\frac{16y^{-10}}{x^{6}}

\frac{-8y^{7}}{x^{5}}

16x^{-6}\ y^{-10}