help please :)

Question

Simplify these expressions (solve all please):

 

                

A) √27xy5

      12x5y³

 

                       

B) ³√x^5 y^-2

        8x^2 y^2

 

C) (2x^1/2 ÷ y^1/3)^-6

 

D) (-27x^9)^1/3

Answer 1

A) (sqr27)xy^5/12x^5y^3 = 3(sqr3)y^2/12x^4

= y^2(sqr3)/4x^4

D) -3x^3