What does it mean for a number to be irrational?

Question

Lili

Mathematics

5 December, 17:08

What does it mean for a number to be irrational?

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Answers (2)

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Jovani · Answer 1

An irrational number cannot be expressed as a ratio between two numbers and it cannot be written as a simple fraction because there is not a finite number of numbers when written as a decimal. Instead, the numbers in the decimal would go on forever, without repeating.

Lovey · Answer 2

And irrational number is a number than cannot be written as a simple fraction.

Two good examples of irrational numbers are PI and the square root of 2. These numbers have never-ending decimals, and their decimals never repeat.