Question

Which of the following is equivalent to the product below?√ 9• √5•√2

Answer 1

Given:

The expression

`√(9)\cdot√(5)\cdot√(2)`

Required:

What is the product?

Step-by-step explanation:

We can write

`√(ab)=√(a)*√(b)`

So,

`\begin{gathered} √(9)\cdot√(5)\cdot√(2)=√(9*5*2) \\ =√(90) \\ =√(10*9) \\ =√(10*3^2) \\ =3√(10) \end{gathered}`

Answer:

Option B is correct.