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A rational number is one such that it is "capable of being expressed as an integer or a quotient of integers, excluding zero as a denominator."

So you must ask yourself: can 2.25 be expressed as a quotient of integers? In other words, can you divide one integer by another and get 2.25? The answer is yes, because 9 divided by 4 is 2.25. Therefore, 2.25 is a rational number.

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Q: Is 2.25 a rational number

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Yes, 225 squared is a rational number.

The square root of 225 is 15, which is a rational number.

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It is 15 which is a rational number

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-225 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

If you mean the square root of 196/225 then it is 14/15 which is a rational number because it can be expressed as a fraction.

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225 is an integer and not a fraction. However, it can be expressed in rational form as 225/1.

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Yes. It can be written as 225/1 .

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