Question

Select the correct answer. Simplify the following radical expression. V20 O A. 275 O B. 52 O C. 45 OD. 1075 Reset

Answer 1

To answer this question, we just need to factorize the 20 with prime numbers.

`20=2*2*5`

As we can see

`\sqrt[]{20}=\sqrt[]{2^2*5}=2\sqrt[]{5}`

Then, the answer is letter A.