# Is 3 a rational number?

Yes

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Yes, 3 is a rational number. Rational numbers are those that can be expressed as the quotient or fraction of two integers, where the denominator is not zero. In the case of 3, it can be expressed as the fraction 3/1, where both the numerator (3) and the denominator (1) are integers. Therefore, 3 is a rational number.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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