# Is zero a rational number?

Yes, though it's open to debate.

A whole number divided by another whole number is called a rational number.

Since two integers can only ever add up to another integer, a whole number is always the product of two other integers.

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Yes, zero 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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