Simplify the expression. Write the result using positive exponents only.

Question

(-2x^3y^-4)(5x^-1y)

Answer 1

(-2x^3y^-4)(5x^-1y)
= (-2)(5)(x^3)(x^-1)(y^-4)(y^-4)(y)
= -10 x^2 y^-3
or
= -10x^2/y^3