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21 is an integer which is also a rational number because it can be expressed as a fraction in the form of 21/1
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Is the square root of 5 and squa re root of 21 irrational?
Yes. The square root of a natural number (positive integer) is either an integer, or an irrational number.
Is the square root of 21 an irrational or a rational number?
irrational
Is 21 a square number itself?
No, 21 is not a square number. A square number is the result of multiplying an integer by itself, and 21 cannot be expressed as the square of an integer.
Is 21 a square number?
21 is not the square of an integer. The closest square number is 25.
Is the square root of 21 a real number?
Yes, albeit an irrational number
Is the square root of 21 a rational number?
No. The square root of an integer is either an integer, or an irrational number.
Is the square root of 5 and squa re root of 21 irrational?
Yes. The square root of a natural number (positive integer) is either an integer, or an irrational number.
Is 8 over 21 a rational or irrational number?
Any number that is presented as an integer "over" (aka divided by) an integer is automatically a rational number - that's what the definition of a rational number is.
Is 21 an irrational number?
No - numbers are neither irrational nor rational.Ans 2Well, it is true that 21 is not irrational.As to being rational, every integer is rational.Proof : Take an integer n, add it to itself.Now look at (n+n)/2. It is obviously rational, but equally obviously it reduces to n.
Is 21 a rational or irrational number?
21 is a rational number.
Is the square root of 21 an irrational or a rational number?
irrational
Is 21 a square number itself?
No, 21 is not a square number. A square number is the result of multiplying an integer by itself, and 21 cannot be expressed as the square of an integer.
Is 21 over the square root of 4 a rational or irrational?
It is equal to 21/2 which is a rational number
Is 21 a square number?
21 is not the square of an integer. The closest square number is 25.
Is the square root of 21 a real number?
Yes, albeit an irrational number
Which number is nearest to 21.345?
The nearest whole number (integer) is 21.
What is and irrational number between 4.5 and 4.6?
the square root of 21
