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Is 2.5 A Rational Or Integer? [Solved]
The decimal 2.5 is a rational number. All decimals can be converted to fractions. The decimal 2.5 is equal to the fraction 25/10. By definition, a rational number is one that can be written as a fraction or ratio between two integers (whole numbers).
Introduction to rational and irrational numbers | Algebra I | Khan Academy
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Rational and Irrational Numbers
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Why π^π^π^π could be an integer (for all we know!).
If you have opinions about my 2n conjecture, send an email to matt+puzzles@standupmaths.com Here is my Numberphile video …