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Subjects>Math>Basic Math

Is 1.8 is a Rational Number?

Updated: 4/28/2022

Wiki User

∙ 13y ago

Best Answer

Yes.

1.8 = 14/5 = 9/5 which is of the form a/b with a and b integers (whole numbers) so it is rational.

Wiki User

∙ 13y ago

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Is -18 rational?

-18 is a rational number

Is 12 over 18 a rational or irrational number?

Rational.

Why is 0.18 a rational number?

Well, sweetheart, a rational number is any number that can be expressed as a fraction, and 0.18 is no exception. You can write 0.18 as 18/100, which can be simplified to 9/50. So, yeah, 0.18 is rational, just like your decision to ask me this question.

Is the product of a rational number and a rational number a rational number?

yes

Is a rational number multiplied a rational number rational?

Yes.

Related questions

Is -18 rational?

-18 is a rational number

What is 4 18 is it rational or irrational?

It is a rational number

Is 12 over 18 a rational or irrational number?

Rational.

Is 18 out of 2 rational?

Yes, any number that can be expressed as a fraction is rational. Since 18 out of 2 is the same as 18/2, it is rational.

Is 18 an irrational number?

yes it is an irrational numberNo because 18 is a rational number

Is 36 irrational?

No, because 3.6 can be expressed as a fraction in the form of 18/5 which is a rational number

Is -18 a rational number?

Yes - any whole number - even a negative number - is a rational number.

Is 18 over four a rational number?

Yes because any number that can be expressed as a fraction is a rational number

Is 18 an rational number?

Yes.

Is the square root of 18 halves a rational or irrational number?

Sqrt(18/2) =Sqrt(9) =3 which is rational.

Is 18 an irratioanl number?

18 is the ratio of 18 to 1. It's completely rational.

Is 18 a whole number integer rational number or real number?

Yes. 18 is all of those things.

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