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Yes. Any whole number is rational. An irrational number is one that goes on forever without repeating, like √2=1.414213...
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Is the square root of 441 a rational number?
Yes because 21 is a rational number
Why is 0.21 a rational number?
0.21 is a rational number because it can be expressed as a fraction in the form of 21/100
Is 4.2 an irrational or rational number?
It is rational because it can be expressed as a fraction which is 21/5
What is the rational number for 0.21?
The number, in the form of a ratio, is 21/100.
What is the rational number for -0.21?
The number, in the form of a ratio, is -21/100.
Is 21 a rational or irrational number?
21 is a rational number.
Is 0.36 rational or irrational?
Rational.
Is the square root of 441 a rational number?
Yes because 21 is a rational number
Why is 0.21 a rational number?
0.21 is a rational number because it can be expressed as a fraction in the form of 21/100
Is 21 over the square root of 4 a rational or irrational?
It is equal to 21/2 which is a rational number
Is 4.2 an irrational or rational number?
It is rational because it can be expressed as a fraction which is 21/5
What is the rational number for 0.21?
The number, in the form of a ratio, is 21/100.
What is the rational number for -0.21?
The number, in the form of a ratio, is -21/100.
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.
What is 7 divided by 21 written as a rational number?
0.3333
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.
Does 30 go into 21?
Every rational number "goes into" every other rational number. In this case, the quotient is 0.7 .
