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# What is a positive integer and a negative integer?

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A positive integer is a whole number greater than zero, and a negative integer is a whole number less than zero. Whole numbers are numbers without any fractions or decimals. These numbers are also called counting numbers.

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Positive and negative integers have many uses in real life. The negative integer -16 may be used to describe a loss of \$16 or 16 pounds. The positive integer +5 might be used to refer to a gain of 5 pounds. These numbers are also used with temperatures. The positive integer +32 is another way to say it is 32 degrees above zero, while the negative integer -3 is used to say it is three degrees below zero.

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## Related Questions

• A:

A non-perfect square is an integer whose square root is not a whole number. For example, 25 is a perfect square because its square root is 5, which is a whole number; however, 10 is a non-perfect square because its square root is a repeating decimal.

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• A:

A positive integer is a number greater than zero that can be expressed without using a fraction. Five, 72 and 100,000 are all examples of positive integers.