Real Number System

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What is a real number?

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A real number is any number that can be found on the number line, including both rational and irrational numbers.

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What are natural numbers?

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Natural numbers are the set of positive integers starting from 1 (1, 2, 3, ...).

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What are whole numbers?

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Whole numbers are the set of natural numbers including zero (0, 1, 2, 3, ...).

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What are integers?

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Integers are whole numbers that can be positive, negative, or zero (..., -3, -2, -1, 0, 1, 2, 3, ...).

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What are rational numbers?

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What are irrational numbers?

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What is the square root of 9?

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