Answers

1. Rational Number because when you divide 2 by 5 you get 0.4. The decimal has an end and does not repeat.

2. Irrational Number because when you take the square root of 5 your get 2.23606797749979 and it continues infinitely without repeating

3. Rational Number because when you divide 2 by 3 you get 0.666666666. As you see the 6 repeats for infinity. Because it repeats it cannot be an irrational number.

4. Rational Number because this is just a number with a beginning and an end.

5. Rational Number because the square root is 10 - which has no decimal, the digits do not repeat, and it has a end.