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Yes because if so required it can be expressed as a fraction.

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A rational number is a number that can be expressed as the ratio of two whole numbers. -2.13 is obviously -213/100, so it's a rational number.

Q: Is the number -2.13 a rational number?

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Is 12.05 a rational number or irrational number?

1.96 is a rational number

There is no such thing as a number that is both rational and irrational. By definition, every number is either rational or irrational.

Yes, it is.

It is a rational number.

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If you mean 213 then it is a rational number because all integers or whole numbers are rational numbers.

213 is an odd number

213 is a composite number as it is divisible by 3.

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

Yes (213/3 = 71)

It is: 213 = CCXIII

yes

All these numbers go evenly into 213: 1, 3, 71, 213.

213-618-0071

Yes -213 is an integer because it is a whole number

Is 12.05 a rational number or irrational number?

1.96 is a rational number