Answer:

1. IRRATIONAL

2 IRRATIONAL

3.RATIONAL

4.RATIONAL

5.RATIONAL

Step-by-step explanation:

1. 23 is not a perfect square values so that, it is an irrational number.

2. This satisfies the condition of /5 being an irrational number.

3. 0.5 is a rational number. It is not a whole number, natural number, or integer, but it can expressed as 1/2.

4. Every interger is a rational number, since each interger n can be written in the form n/1.

5. Therefore,the given number 7 is a rational number.