1) which of the following shows the correct steps to find the value of 27 1/3?

a) 27 1/3=(9^3)1/3=(9)^3(1/3)=9
b) 27 1/3=(3^9)^1/3=(3)^9(1/3)=3
c) 27 1/3=(3^4)1/2=(3)^4(1/2)=9
d) 27 1/3=(3^3)^1/3=(3)^3(1/3)=3