Question

Please tell me if the number is rational or irrational..

the square root of 40/10
8 pi
1/6
0.3 (three is repeating)

Answer 1

1. Rational comes out even. 2. Irrational 8 square rooted doesn't come out even. 3. Irrational 6 square rooted doesn't come out even. 4. .3 square rooted doesn't come out even.