Q: Is 40 a rational number

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No, 40 is a rational number.

Any integer (including 40) is classed as a rational number.

No, they are not.

No, a rational number must be a whole number, for example 40 and 5643 and 948.

Any whole number, any number with a finite number of decimals, and some numbers with an infinite number of decimals, are rational.

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No, 40 is a rational number.

Any integer (including 40) is classed as a rational number.

No, they are not.

No, a rational number must be a whole number, for example 40 and 5643 and 948.

40 is a rational number, so the question is misguided.

No - the square root of 40 is not a rational number. Rounded to ten decimal places, it is equal to 6.3245553203.

Any whole number, any number with a finite number of decimals, and some numbers with an infinite number of decimals, are rational.

The square root of 40 is an irrational number, due to the fact that one could extend the answer to an infinite number of decimal places if one was able to.

10+0.01 = 10.01 and it is a rational number

It is a rational number because it can be expressed as a fraction in the form of 23/40 in its lowest terms

It is a rational number

It is a rational number. It can be written as a fraction.