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They need not be. A unit circle inside a square with sides of 2 units, for example, occupies 25*pi per cent of the area. But 25*pi is not a rational number.

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7y ago
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7y ago

They need not be. The length of a unit square, as a percentage of its diagonal is NOT a rational number.

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11y ago

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Q: Why are percent rational numbers?
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Related questions

Is 33 percent a rational number?

Rational numbers are numbers that have a definite end. 33% can be converted into the decimal 0.33. This has a definite end so it is a rational number.


What rational number is between 17 percent and 42 percent?

There are an infinite number of rational numbers between 17% and 42%. 0.1700000001 % is one such.


What are the four forms of rational numbers?

Decimal, percent, fraction, and words


How do you order rational numbers when they come in percent forms?

Any percentage is simply a rational number, with the denominator of 100. So multiply them all by 100 and order the resulting rational numbers.


Is 2.20 percent rational or irrational?

It is rational number because 2.20% is the same as 0.022 which as a fraction in its lowest terms is 11/500 and only rational numbers can be expressed as fractions.


How many rational numbers are there between two consecutive rational numbers?

There are no consecutive rational numbers. Between any two rational numbers there are an infinity of rational numbers.


Is 3.9 rational or irrational?

If there are no numbers after the 9 it is rational


Are some rational numbers are not real numbers?

No. Rational numbers are numbers that can be written as a fraction. All rational numbers are real.


Why is a percent a rational number?

The question cannot have a proper answer because it is based on a lack of understanding of a percent or of rational numbers or both.For example, an arc of length 1 unit is (50/pi) % of the circumference of a unit circle. The percentage is very definitely not rational.


Are rational numbers whole numbers?

The set of rational numbers includes all whole numbers, so SOME rational numbers will also be whole number. But not all rational numbers are whole numbers. So, as a rule, no, rational numbers are not whole numbers.


Is the difference of rational numbers a rational number?

Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction. All natural numbers are rational.


Is 6.6 irrational or rational?

6.6 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.