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Irrational Numbers

An irrational number is a number that can't be expressed by a fraction having integers in both its numerator and denominator. While their existence was once kept secret from the public for philosophical reasons, they are now well accepted, yet still surprisingly hard to prove on an individual basis. Please post all questions about irrational numbers, including the famous examples of π, e, and √2, into this category.

3,962 Questions

Is 2.2020020002 an irrational number?

This is an irrational number because of it's decimal point... Rational numbers are whole numbers that are divisible by 2 and do not leave a remainder or form a decimal fraction.

Is 0.3233233323333 an irrational number?

It is not an irrational number, and can be represented by the fraction:

4 669 723 / 14 442 889

What are the characteristics of numbers?

if anybody knows that what

are the

characteristics of

numbers

plz

plz tell me in

short

form thank u

What is the difference of a rational and irrational number?

A rational number is a real number that can be expressed as a ratio of two integers; an irrational number cannot be so expressed.

What 2 perfect square roots is 4.123105617661between?

4.123105617661 is in between 4 and 5.

Therefore it is between the square root of 16 (which is 4) and the square root of 25 (which is 5)

When do you use irrational numbers?

exponential functions, circles (area, perimeter, etc.), round objects in general (circle, sphere, hypersphere, etc.

What is an irrational number that is a perfect square?

That isn't possible. Rational numbers either terminate or have a repeating pattern, and irrational numbers are all the rest. Perfect squares terminate, therefore they are rational.