Question

Select all irrational numbers.

Answer 1

Answer: √10, √27, and √99 are all the irrational numbers from the list.

√10 = √(5*2) = √5 * √2 ----> irrational

√27 = √(9*3) = (√9) * √(3) = 3√3 ----> irrational

√99 = √(9*11) = (√9) * (√11) = 3√11 -------> irrational

√(49) = 7 -----> rational

√(64) = 8 ----------> rational