Question

Which awnser is equivalent to the product below?
`√(5) * √(15)`

Answer 1

C. 5√3

Explanation:

We have the following expression:

`√(5)*√(15)`

We evaluate and we are left with the following:

`\begin{gathered} √(5)*√(5\cdot\:3) \\ \\ √(5)*√(5)*√(3) \\ \\ √(5)*√(5)=5 \\ \\ 5√(3) \end{gathered}`

Therefore, the correct answer is C. 5√3