a^(1/3)=3 how do i get this a? i know it's 27 but how do i get to this?
A 1/3rd power is a cube root; to get rid of a cube root, cube both sides:
a1/3 = 3
---> (a1/3)3 = (3)3
Multiply the exponents on the left side together:
---> (a)1 = 27
---> a = 27