Question

Is -9.2222 a irrational number? Or rational? Im so confused

Answer 1

rational

Explanation:

Any number that can be written with a finite number of digits is rational. The given number is rational. (It has 5 digits.)

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Any repeating decimal is rational.

If this were -9.2222..., it would be -9 2/9 = -83/9, also a rational number.

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A number is irrational if it cannot be represented exactly as a decimal or repeating decimal. That is, its decimal fraction part continues forever without repeating.