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Is 2.25 a rational number

Updated: 4/28/2022

Wiki User

∙ 13y ago

Best Answer

A rational number is one such that it is "capable of being expressed as an integer or a quotient of integers, excluding zero as a denominator."

So you must ask yourself: can 2.25 be expressed as a quotient of integers? In other words, can you divide one integer by another and get 2.25? The answer is yes, because 9 divided by 4 is 2.25. Therefore, 2.25 is a rational number.

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∙ 13y ago

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Continue Learning about Basic Math

What are the steps How do you convert 225 into a fraction?

225 is an integer and not a fraction. However, it can be expressed in rational form as 225/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.

Is the product of a rational number and a rational number a rational number?

yes

Is a rational number multiplied a rational number rational?

Yes.

Which number can be multiplied to a rational number to explain that the product of two rational numbers is rational?

It must be a generalised rational number. Otherwise, if you select a rational number to multiply, then you will only prove it for that number.

Is the number 17.5 a rational number?

yes

Is 225 squared rational?

Yes, 225 squared is a rational number.

Is the square root of 225 rational?

The square root of 225 is 15, which is a rational number.

Is the square root 225 rational or irrational?

It is 15 which is a rational number

Is 225 squared?

Yes, 225 squared is a rational number.

Is the square root of 225 a rational number?

yes it is

Which positive rational number when squared is equal to 225?

It is 15.

Is the square root of 225 rational or irrational?

Neither, it is an imaginary number and imaginary numbers are neither rational nor irrational.

Is 225 irrational?

No because 225 is an integer and all whole numbers are rational

Is -225 rational irrational?

-225 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

Why are all square roots not irrational numbers?

Because some of them are squares of rational numbers. So their square roots are the rational numbers.Thus if x is rational, then the square roots of x2, which are -x and +x are both rational.

Is the square root of fraction 196225 irrational or rational?

If you mean the square root of 196/225 then it is 14/15 which is a rational number because it can be expressed as a fraction.

Is 75 squared rational or irrational?

75 times 75 = 5625 which is a rational number

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Is 2.25 a rational number?