9^(1/6)÷81^(1/4)x(-27)^(3/2)=3^(1/3)÷3x(-9)=-3^(4/3) [3^(1/3)÷2^(1/2)]^(-2)=[2^(1/2)x3^(1/3)]^(-2)=(8x9)^(-2/6)=72^(-1/3)
