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All whole numbers are rational numbers.

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Q: Is -1 1 2 rational number?
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Related questions

Is 1000000 a rational number?

Yes


Is 1 over 2 A rational number?

Yes, 1 over 2 is a rational number. A rational number is any number that can be expressed as a fraction where the numerator and denominator are both integers. In this case, 1 over 2 is the fraction 1/2, which meets the criteria of being a rational number.


Is 2 a rational number or irrational?

It is rational. It is a whole number so it cannot be irrational.


Is every rational number a natural number?

No. 1/2 is a rational number but it is not a natural number.


Are rational numbers whole numbers also?

Some are, but all are not. 2/1 is rational and whole but 1/2 is rational and not whole. So the answer is a rational number is not necessarily a whole number.


Is the sum of two rational numbers a natural number?

Sum of two rational numbers might be a natural number (1/2 + 1/2), but mostly it's just another rational number (1/2 + 1/3). So answer is no.


Is a rational number times a irrational number?

Can be irrational or rational.1 [rational] * sqrt(2) [irrational] = sqrt(2) [irrational]0 [rational] * sqrt(2) [irrational] = 0 [rational]


How do you write 1 as a rational number?

Answer: 1 already is a rational number. If you want to get technical, you could write it as 1/1. Answer: Any integer is a rational number. No matter how you write it, it will still be a rational number. Answer: 10/10, 2/2, 3/3, 365/365, etc.


Is one half a rational or irrational number?

As a number which can be expressed as a fraction, 1/2 is a rational number.


Is a square root always an irrational number?

No; the square root of any rational number squared is that rational number. Examples: √(2^2) = √4 = 2. √((1/2)^2) = √(1/4) = 1/2


Is negative one half a rational number?

Yes, -1/2 is a rational number


Is -1 divided by 2 irrational or rational?

-1 divided by 2 is a rational number because it can be expressed as a fraction in the form of -1/2