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Is 0.36 rational or irrational?
Rational.
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 a square root a rational number?
Some are and some are not. For example, the square roots of 2.25, 3.61, 4, 4.84, 5.29, 6.76, 7.29, 8.41, 9, 10.89, 11.56, 12.25, 13.69, 14.44, 15.21, 16, 17.64, 18.49, 19.36, 20.25, 21.16, 22.09, 23.04, 24.5025, and 25 are all rational numbers. But the square roots of 2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, and 24 are irrational numbers. We believe, but can't prove easily, that there are more irrational square roots than rational ones.
Is 10.5 a rational number?
Yes because it can be expressed as a fraction in the form of 21/2
Can Adding a rational number to an irrational number give you an irrational number?
You wont be able to add a rational number and an irrational number and get a number not in a fraction ( 3 + 22/7) (21/7 + 22/7 = 43/7) So, yes as you see in the example above it made another irrational number.
Is the square root of 441 a rational number?
Yes because 21 is a rational number
Is the square root of 84 a rational number?
No because it is 2 times the square root of 21 which is an irrational numberThe square root of 84 is not a rational number
Is the square root of 21 an irrational or a rational number?
irrational
Is the square root of 21 rational?
No, they are not.
Is 21 over the square root of 4 a rational or irrational?
It is equal to 21/2 which is a rational number
The square root of 21 is it rational or irrational?
irrational, it has a never ending decimal
What is the simplest radical from of the square root of 84?
First note that 84=4x21 and 4 is a perfect square. So square root of (84)=square root (4x21)=Square root (4) Square root (21)= 2 multiplied by the square root of 21. You can also write this using rational exponents, but this is not in radical form. It is an equivalent expression, however. 2 x (21)1/2
What are the square root of 21?
The square roots of 21 are 4.5826 (rounded) and the negative of the same number.
Is 21 a rational or irrational number?
21 is a rational number.
What is the square root of -21?
The square root of -21 is: 4.582576 i
What is the square root of 21?
The square root of 21 is 4.58257569495584.
Square root of 21?
The square root of 21 is 4.58257569495584.
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