Question

How do you write the radical expression of `a^(4/9)`?

Answer 1

`a^(4/9) = root(9)(a^4)`

Explanation:

`a^(4/9) = a^(4*1/9) = (a^4)^(1/9) = root(9)(a^4)`

using `a^(b*c) = (a^b)^c` and `a^(1/n) = root(n)(a)`