write the expression x^(4/9) in radical form

Question

write x to the four ninths power in radical form.

Answer 1

x^(4/9)

What, like this?

sqrt( x^(8/9) )

Or like this?

9th root ( x^4 )

Note:  9th root as in square root but with a little 9 on the left part of the square root symbol.