Simplify the expression:

Question

x^−11⋅x^5⋅(x/y)^4

Answer 1

x^-11x⁵x⁴ y^-4

x^{-11+5+4y-4
x-2y-4
or 1/x2y4}

Answer 2

that's not one of my choices

Answer 3

What are your choices?

Answer 4

x^−220⋅y^4
x^−2⋅y^−4
x^2⋅y^4
x^220⋅y^−4