Question

Classify the following Numbers as rational and irrational
2-√5
(3+√23)-√23
2√7/7√7
1√2
2*3.14

Answer 1

1) irrational

2)rational

3) rational

4) irrational

5)rational

Answer 2

Hey buddy here is your answer

• 2-root5 is an irrational number
• 3+root23-root23 = 3 which is a rational number
• 2×root7/7×root7 = 2×7/7 = 2 which is a rational number
• 1/root2 is an irrational number
• 2× 3.14 is a rational number
• but 2 × 3.14 when 3.14 is a pie then the number os irrational.

Hope it helps

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Cheers

-Hermione