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A rational number is one that can be written as a fraction, with whole numbers for numerator and denominator; for example 1/2, 3/5, 7/3, and any whole number (for example, 7 = 7/1).
An irrational number is one that can not be written in such a way, for example the square root of any number except a perfect square (square root of 2, of 3, of 5, etc.), pi, e, etc.
What else can I help you with?
Is 21 over the square root of 4 a rational or irrational?
It is equal to 21/2 which is a rational number
Is 3.9 rational or irrational?
If there are no numbers after the 9 it is rational
Is 27 Rational or irrational?
2.7 is rational. Rational numbers are numbers that can be written as a fraction. Irrational Numbers cannot be expressed as a fraction.
Is 21.192 rational or irrational?
21.192 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
Is 1.777. rational or irrational and why?
1.777...(repeating) is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
Will Rational numbers be irational?
No, numbers cannot be both.
Are fractions irational numbers?
No, because all fractions are rational numbers
Is 0.8 0.4 rational or irational?
rational
Is 2300 rational or irational?
rational
Is 10.86 rational or irational?
10.86 is a rational number
IS IRATIONAL NUMBER 11?
No, it is rational.
Is 123895 irrational or rational?
its rational yall trust me
Is 30 irational?
No because 30 is a rational number
Is the square root of 9 rational or irational?
The square root of 9 is 3 which is a rational number
Is 7.11 rational or irational?
7.11 is Rational. 7.11 = 7 11/100 = 711/100
Is 29 irational?
29 is a rational number and it is also a prime number
Is 21 over the square root of 4 a rational or irrational?
It is equal to 21/2 which is a rational number
