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Is 2 a rational number or irrational?

Updated: 8/19/2019

Wiki User

∙ 12y ago

Best Answer

It is rational. It is a whole number so it cannot be irrational.

Wiki User

∙ 7y ago

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Wiki User

∙ 7y ago

2 is a rational number and it is also a Prime number

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Wiki User

∙ 12y ago

Rational. It can be written as the ratio 2/1

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Related questions

Is a rational number times a irrational number?

Can be irrational or rational.1 [rational] * sqrt(2) [irrational] = sqrt(2) [irrational]0 [rational] * sqrt(2) [irrational] = 0 [rational]

Is the square of an irrational number rational?

Sometimes. eg the irrational number √2 squared is 2 which is rational (2 = 2/1) eg the irrational number √(√2) squared is √2 which is irrational.

Is an irrational number divided by an irrational number always a rational?

No. sqrt(2)/pi is not rational.

Is 10.01 a rational or irrational number?

10.01 is a rational number

Is 5.4 an irrational or rational number?

5.4 = 5 2/5 = 27/5 so it is a rational number.

How do you turn an irrational number in to a rational number?

Some irrational numbers can be multiplied by another irrational number to yield a rational number - for example the square root of 2 is irrational but if you multiply it by itself, you get 2 - which is rational. Irrational roots of numbers can yield rational numbers if they are raised to the appropriate power

Is the following number rational or irrational -2?

Rational.

Is number 2 rational or irrational?

2 is a rational number and it is also a prime number

Is the square root of a number rational or irrational?

that depends on the number. sqrt(2) is irrational, sqrt(4)=2 is rational

What is a rational number multiplied by an irrational number equal?

It can be a rational number or an irrational number. For example, sqrt(2)*sqrt(50) = 10 is rational. sqrt(2)*sqrt(51) = sqrt(102) is irrational.

Is 0.555555 both rational and irrational rational neither rational nor irrational irrational?

No number can be both rational and irrational. And, at the level that you must be for you to need to ask that question, a number must be either rational or irrational (ie not neither). 0.555555 is rational.

Is the square root of 2 an irrational number or a rational number?

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