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Earn +20 ptsQ: How to determine if a number is rational or not?
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How can I determine if a number is a rational number?
If a number can be expressed as a fraction then it is a rational number
How do you determine if eleven out of twenty is a rational or irrational number?
All whole numbers are rational. Any rational number divided by another (non-zero) rational number is a rational number.
How can you determine whether the square root of a number is a rational number or an irrational number?
If it can't be expressed as a fraction then it is an irrational number
How do you determine a rational or irrational number?
It isn't always possible to determine. For example, it is unknown whether the Euler-Mascheroni constant (0.5772156649...) is rational or irrational.Most famous numbers and constants are known to be rational or irrational. If it can be expressed as a fraction a/b where a and b are integers, it's rational.
How do you determine if a decimal is rational or not?
A decimal is a rational number if it ever ends, or if it repeats the same single digit or set of digits forever.
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