Question

Which of the following is √40 simplified?

a. 8√5


b. 2√5


c. 2√10


d. 6√5

Answer 1

The √40 simplified is 2√10

Explanation:

Rewrite 40 as 2^2 (times) 10

Factor 4 out of 40

√4(10)

rewrite 4 as 2^2

√2^2(10)

Pull terms out from under the radical

2√10