Respuesta :

The first one is 5c√10c/3d^3

The answer is: A, 5c√10c/3d^3

Hope this helps! :)
[tex] \sqrt{ \dfrac{250c^3}{9d^6} } = \\ \\ = \sqrt{ \dfrac{25 \times 10 c^2 \times c}{9d^6} } \\ \\ = \dfrac{5c}{3d^3}\sqrt{ \dfrac{10c}{1} } \\ \\ = \dfrac{5c\sqrt{ 10c }}{3d^3}[/tex]