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Rational.

In mathematics, a rational number is any numberthat can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.

Q: Is three elevenths a rational or irrational number and why?

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Rational

Negative three is a rational number.

Rational

The square root of 15 is an irrational number and it is about 3.873 rounded to three decimal places

Yes, but not always. An easy example is sqrt(2) + sqrt(2) + sqrt(2) = 3sqrt(2), an irrational number. An easy counterexample is 2sqrt(2) + -sqrt(2) + -sqrt(2) = 0, which is rational.

Related questions

Rational

Integers are rational. In the set of real numbers, every number is either rational or irrational; a number can't be both or neither.

Negative three is a rational number.

No, it is rational.

No, it is rational.

The sum of the three can be rational or irrational.

no

no

-2 and 3/11 is a rational number because it can also be expressed as an improper fraction.

No, it is an irrational number.

Rational

No because 4/3 is a rational number