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Yes. According to Wikipedia, "In mathematics, a rational number is any number that can be expressed as the quotient or fraction a/b of two integers, with the denominator b not equal to zero. Since b may be equal to 1, every integer is a rational number."
So 28 can be expressed as 28/1, therefore it is a rational number.
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Is -28 an integer a rational and a real number?
Yes, -28 is an integer because it is a whole number that can be positive or negative. It is also a rational number because it can be expressed as a fraction, in this case, -28/1. Since any rational number is also a real number, -28 is also a real number.
Is 28 a rational number?
Yes, because it is in the form of terminating decimal...
Is the square root of 28 rational or irrational number?
irrational
Is a rational number always a rational number?
As much as, in these days of uncertainty, anything can be anything. As long as the constraints of a rational number are kept to, a rational number will always remain a rational number.
Is the sum of a rational number and a rational number rational?
Yes.
Is pie a rational number or not?
It is rational number.
What type of number is 10 divided by 3?
3.3333
Is 0.666666666. an irrational number?
No, it is not.
Is 7.6 a rational number or irrational?
7.6 is a rational number. Any number that can be expressed as a/b is rational.
Can you multiply an irrational number by a rational number and the answer is rational?
The product of an irrational number and a rational number, both nonzero, is always irrational
Does there exist an irrational number such that its square root is rational?
No, and I can prove it: -- The product of two rational numbers is always a rational number. -- If the two numbers happen to be the same number, then it's the square root of their product. -- Remember ... the product of two rational numbers is always a rational number. -- So the square of a rational number is always a rational number. -- So the square root of an irrational number can't be a rational number (because its square would be rational etc.).
Is a rational number closed for addition and for multiplication?
A rational number is not. But the set of ALL rational numbers is.
When is it possible for the product of a rational and an irrational number to result in a rational value?
When the rational number is 0.
Is 89 a rational or irrational number?
89 is a rational number.
Is 11 a rational or irrational number?
It is a rational number and also a prime number
Is 1.875 a rational number or an irrational number?
is 1.875 a rational number or irrationalnumber
Is the number negative 5 rational or irrational?
the answer is rational.
