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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 0.36 rational or irrational?
Rational.
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 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 a square root a rational number?
A square root is considered a rational number if the number inside the square root sign is a perfect square. In other words, if the square root of a number results in a whole number, then it is a rational number. For example, the square root of 9 is 3, which is a whole number, making it a rational number. However, if the square root results in a non-terminating, non-repeating decimal, then it is considered an irrational number.
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 rational or irrational number?
21 is a rational number.
Is 21 over 3 a rational or irrational number?
21/3 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
Is the square root of 21 an irrational or a rational number?
irrational
Is 4.2 an irrational or rational number?
It is rational because it can be expressed as a fraction which is 21/5
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 0.36 rational or irrational?
Rational.
Is 21 a rational number?
Yes. Any whole number is rational. An irrational number is one that goes on forever without repeating, like √2=1.414213...
Is 0.21 rational or irrational?
0.21 is a rational number because it can be expressed as a fraction in the form of 21/100
Is 21 out of 71 rational or irrational?
21/71 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
Is the ratio 21 an integer or an irrational number?
21 is an integer which is also a rational number because it can be expressed as a fraction in the form of 21/1
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.
