Which expression is equivalent to

Answer:
[tex]x(\sqrt[9]{y^2} )[/tex]
Step-by-step explanation:
[tex]xy^{2/9}[/tex]
The power 2/9 is on the variable y.
[tex]x(y^{2})^{1/9}[/tex]
The power 1/9 can be written as the ninth root.
[tex]x(\sqrt[9]{y^2} )[/tex]