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For questions 1-3, classify the subset of real numbers to which each number belongs.

1. 12

A. Integer, Natural

B. Rational, Integer, Whole, Natural

C. Integer

D. Irrational, Whole

2. √2

A. Integer, Natural

B. Rational, Integer, Whole, Natural

C. Integer, Whole

D. Irrational

3.

1/3

A. Rational

B. Integer, Natural

C. Irrational

D. Whole, Natural

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