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The best known irrational number is Pi, so, any formula with that in it it, like the formula for

circumference of a circle - Pi * D

area of a circle - Pi * R^2

volume of a sphere - 4/3 * Pi * R^3

Here D and R should be rational numbers, eg integers, to meet your definition.

Posted on Dec 02, 2014

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Posted on Jan 02, 2017

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No. In fact, there are many more irrational real numbers than there are rational real numbers.

Oct 21, 2014 | The Learning Company Achieve! Math &...

If a number can be expressed as a ratio of two whole numbers then it's rational.

Alternatively, if a number can be expressed in decimal with a finite number of digits or as a repeating decimal then it's rational.

Alternatively, if a number can be expressed in decimal with a finite number of digits or as a repeating decimal then it's rational.

Oct 12, 2014 | Computers & Internet

It's a rational number since it can be represented as a ratio of two whole number, in this case 233 and 100.

Sep 22, 2014 | Computers & Internet

Any number that can be written as a ratio of two integers numbers is by definition a rational number ( it is a ratio---rational).

Any decimal number with a periodic decimal part can be cast as a fraction, so it is rational.

An irrational number is a number that

Examples: PI, sqRT(2), Sqrt(3), SQRT(5), e. There is an infinite number of them.

Sep 15, 2014 | Computers & Internet

8.98=898/100

Both numerator and denominator are multiples of 2:The fraction can be simplified further. Simplifying, you get the irreducible form of the fraction as t 449/50.

Both numerator and denominator are multiples of 2:The fraction can be simplified further. Simplifying, you get the irreducible form of the fraction as t 449/50.

Sep 06, 2014 | Computers & Internet

False. A number is either rational or irrational; it cannot be both.

Feb 17, 2014 | Computers & Internet

Is the number
2
+

18 rational or irrational? rational

irrational Submit

18 rational or irrational? rational

irrational Submit

Nov 02, 2013 | Computers & Internet

They're all rational numbers since they can be expressed as the ratio of two whole numbers.

Mar 11, 2013 | Office Equipment & Supplies

Sounds like a "school homework" question.

Natural - numbers like 1, 2, 3, 4, ...

Whole - numbers without fractional parts, e.g., '1/2' is not a whole number

National - some countries have superstitions, e.g., American high-rises have no 13th floor,

and some Asian cultures favour street-addresses that contain many '6' characters.

Real - numbers that have a fractional part, e.g., '123.456'.

Rational -- real numbers that can exactly be expressed as a number with a finite-length fraction,

e.g., 1/4, 1/5, 1/8, 1/10, 0.123, 0.45, 0.6.

Irrational -- numbers that cannot be exactly expressed,

e.g. 1/3, 1/7, 1/11, the circumference of a circle divided by its diameter,

no matter how many digits you use.

Natural - numbers like 1, 2, 3, 4, ...

Whole - numbers without fractional parts, e.g., '1/2' is not a whole number

National - some countries have superstitions, e.g., American high-rises have no 13th floor,

and some Asian cultures favour street-addresses that contain many '6' characters.

Real - numbers that have a fractional part, e.g., '123.456'.

Rational -- real numbers that can exactly be expressed as a number with a finite-length fraction,

e.g., 1/4, 1/5, 1/8, 1/10, 0.123, 0.45, 0.6.

Irrational -- numbers that cannot be exactly expressed,

e.g. 1/3, 1/7, 1/11, the circumference of a circle divided by its diameter,

no matter how many digits you use.

Jun 15, 2011 | Computers & Internet

You're looking for a website with examples of rational and irrational numbers? Here's an extensive one:

Or are you just asking for a few examples?

Or are you just asking for a few examples?

- Rational: 5, 2/4, -34
- Irrational: ?2, ?

Jun 14, 2011 | Computers & Internet

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