Respuesta :

Given:

The expression

[tex]\sqrt{9}\cdot\sqrt{5}\cdot\sqrt{2}[/tex]

Required:

What is the product?

Explanation:

We can write

[tex]\sqrt{ab}=\sqrt{a}\times\sqrt{b}[/tex]

So,

[tex]\begin{gathered} \sqrt{9}\cdot\sqrt{5}\cdot\sqrt{2}=\sqrt{9\times5\times2} \\ =\sqrt{90} \\ =\sqrt{10\times9} \\ =\sqrt{10\times3^2} \\ =3\sqrt{10} \end{gathered}[/tex]

Answer:

Option B is correct.