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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.
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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?
Any terminating or non-terminating decimal digit is rational. The easiest way to look at this is, writing the number in the fractional from. 0.18 can be written as 18/100. Now, by the definition of a rational from, 18/100 is of the standard "p/q" from where q is not equal to 0 (q=100 here). Thus, it is a rational number.
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.
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.
What is the rational number for 0.18?
The number, in the form of a ratio, is 18/100.
