Question

Classify the number as rational Or irrational. Give reasons to support your answer.
1. Square root 3/81
2. Square root 361
3. Square root 21
4. Square root 1.44
5. 2/3 square root 6
6. 4.1276
7. 22/7
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Answer 1

Answer:

1) irrational

2) rational

3) irrational

4) rational

5) irrational

6) rational

7) irrational

hope it's correct :)