Q: Is -71 an irrational number

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The square root of 71 is an irrational number

irrational

21/71 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

An irrational number.

An irrational number is a number that can't be written as a fraction with whole numbers on top and bottom.An irrational number written as a decimal never ends. BUT, some rational numbersdo the same thing, so you can't say that just because the decimal never ends, itmust be an irrational number.Here are some rational numbers whose decimals never end:1/31/61/71/91/11

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The square root of 71 is an irrational number

No. It can be written as a fraction, so it is rational.

irrational

21/71 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

An irrational number.

No. The sum of an irrational number and any other [real] number is irrational.

The sum of a rational and irrational number must be an irrational number.

An irrational number is a number that can't be written as a fraction with whole numbers on top and bottom.An irrational number written as a decimal never ends. BUT, some rational numbersdo the same thing, so you can't say that just because the decimal never ends, itmust be an irrational number.Here are some rational numbers whose decimals never end:1/31/61/71/91/11

No, 3.56 is not an irrational number. 3.56 is rational.

rational * irrational = irrational.

-Pi is irrational, because it does not terminate or repeat. Whenever you multiply an irrational number by a rational number (-1), the result is an irrational number.

A negative irrational number can be thought of as an irrational number multiplied by -1, or an irrational number with a minus sign in front of it.