Question

Another question (picture)

Answer 1

`\left( 16 x^8 y^(-12) \right)^(\frac 1 2) = 16^(\frac 1 2) (x^8)^(\frac 1 2) (y^(-12))^(\frac 1 2) = 4 x^4 y^(-6) = (4 x^4)/(y^6)`

Third choice