Is 400 an Integer?

Integer Question: Is 400 an Integer?

For 400 to be an integer, 400 has to be a whole number. Furthermore, for 400 to be an integer, you should be able to write 400 without a fractional or decimal component.

400 is a whole number that can be written without a fractional component, thus 400 is an integer.

The answer to the question: "Is 400 an integer?" is YES.

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