Question

√10 • √8 =
A. 4√5 or
B. 3√2
Which one?
​

Answer 1

A. (
`4√(5)`)

Explanation:

√10 • √8 =
`√(80)` - They combine into one.

`√(80)`

/ \

`√(20)`
`√(4)`

`√(4)` = 2

`√(20)` =
`2√(5)`

2 * 2 = 4

`4√(5)` is the answer.