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Yes Irrational Numbers are real numbers that are part of the number line,
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Can an irrational numbers be a real number?
yes. an irrational number is any real number that is not a rational number
Is an irrational number a real number?
An irrational number is any real number that cannot be expressed as a ratio of two integers.So yes, an irrational number IS a real number.There is also a set of numbers called transcendental numbers, which includes both real and complex/imaginary numbers. Of this set, all the real numbers are irrational numbers.
Is the square root of 18 a real number?
Yes it's a real number but it is an irrational number because it can't be expressed as a fraction.
The product of nonzero rational number and an irrational number is irrational?
Yes.
Are there fewer rational numbers than irrational numbers?
For any given subset, yes, because there are an infinite number of irrational numbers for each rational number. But for the set of ALL real numbers, both are infinite in number, even though the vast majority of real numbers would be irrational.
