Answer:
[tex] \frac{25 {x}^{2} y}{729} [/tex]
Step-by-step explanation:
[tex]5xy \times \sqrt{ \frac{25 {x}^{2} }{ {9}^{6} } } [/tex]
[tex]5xy \times \frac{5x}{ {9}^{3} } [/tex]
[tex] \frac{25 {x}^{2} y}{ {9}^{3} } [/tex]
[tex] = \frac{25 {x}^{2}y }{729} [/tex]
