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Q: Is -56 rational

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-56 is a rational number

Yes, -56 is a rational number

It is a rational number

No, it is rational 56/7 = 8 which is rational

No, because 56 is a rational number

Yes it is.

-56/100

Yes.

No, they are not.

An irrational number is a number that cannot be expressed as a/b. a and b must both be integers. With 56, this can be expressed as 56/1. As both 56 and 1 are integers, 56 is a rational number. All whole numbers are rational.

56 is an integer and not a fraction. However, it can be expressed in rational form as 56/1 which cannot be simplified.

56 is an integer and not a fraction. However, it can be expressed in rational form as (56*k)/k where k is an integer.

56 is a rational whole natural number. Or to put it another way: 56 is a Natural number, but as all natural numbers are also whole numbers 56 is also a whole number, but as all whole numbers are also rational numbers 56 is also a rational number. Natural numbers are a [proper] subset of whole numbers; Whole numbers are a [proper] subset of rational numbers. The set of rational numbers along with the set of irrational numbers make up the set of real numbers

12/56 is a rational number which can be simplified to 3/14 and is approximately 0.2143 as a decimal.

56 - 23 = 33, which is an integer, not a fraction. It can be expressed as a rational fraction in the form 33/1.

5.6 = 56/10 which can be simplified to 28/5

No. The square root of a positive integer can only be an integer, or an irrational number.

None of them because they are all rational numbers but 19 is a prime number.

It is 2.24, which is a decimal fraction and so cannot be simplified. The equivalent rational fraction is 2 6/25

0.56 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its rational equivalent is 56/100 which can be simplified, if required.

No, it is rational.

5.6 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its equivalent, in rational form, is 56/10. You can simplify this rational fraction if required.

Rational

1.14 is rational.

Rational. Rational. Rational. Rational.