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Subjects>Math>Basic Math

Is the square root of 99 a rational number?

Updated: 4/28/2022

Wiki User

∙ 13y ago

Best Answer

√99 = Square root of 99 = Irrational.

Rational # are able to be expressed as the ratio of 2 integers.

i.e. √25 = +5

5 = 5/1 = rational

Irrational # can not be expressed as a ratio of 2 integers.

Christian Coello ∙

Lvl 2

∙ 2y ago

This answer is:

Isadore Labadie ∙

Lvl 1

∙ 2y ago

thanks!!!

Merlin Ankunding ∙

Lvl 1

∙ 2y ago

Can you explain how you got that

Verlie Corwin ∙

Lvl 1

∙ 2y ago

Where did you get your answer?

Christian Coello ∙

Lvl 1

∙ 2y ago

The question is: Is √99 rational, or irrational.

Christian Coello ∙

Lvl 1

∙ 2y ago

It must be understood what is a rational number, and what is an irrational number. In addition, you must be familiar with the square root mathematical function. The square root function inquires into a number that when multiplied by itself

Christian Coello ∙

Lvl 1

∙ 2y ago

x amount of times, equals the original number under the square root. i.e. √81 = 9*9. So, the square root of 81 is 9, because 9 times 9 (itself) equals 81.

Christian Coello ∙

Lvl 1

∙ 2y ago

Now, in my latest example, √81 = 9, you realize the number 9, can be expressed as a ratio of 2 integers, (a whole number w/o decimal or fraction). 9/1 = 9. The original question, √99, does not have an even integer answer. √99 = 9.9498743.

Christian Coello ∙

Lvl 1

∙ 2y ago

And thus, 9.9498743 can not be rewritten as a neat ratio of two integers, which means that it is IRRATIONAL. If my written explanation is confusing, I suggest search Khan Academy's topic of Rational/Irrational numbers.

More answers

Wiki User

∙ 13y ago

Yes, it is.

This answer is:

Christian Coello ∙

Lvl 1

∙ 2y ago

This comment should not be the top answer. Square root of 99 is not rational, it is an irrational number.

Anonymous ∙

Lvl 1

∙ 3y ago

No Its not

This answer is:

Anonymous ∙

Lvl 1

∙ 3y ago

Rational

This answer is:

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Q: Is the square root of 99 a rational number?

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Is the number 99 rational or irrational?

99 is an irrational number! rational number is the one which can be wrriten in terms of ratios of two numbers! * * * How about 99 = 198/2 = 293/3 = 396/4? Every whole number is a rational number, of course, including 99.

Is 99 divided by 82 a rational number?

1.2073

What is the rational number of 0.4848...?

0.4848 repeating is a rational number. It can also be written as 16/33

What rational number has 0.34 repeating as its decimal equivalent?

34/99

Is this a rational number 0.323232?

A rational number is a number that can be expressed as the division a/b where a and b are both integers. In this case 0.323232.... is a recurring decimal, and so is rational, as all recurring decimals are rational. This can be proved in the following way: 0.323232... x 100 = 32.323232... 0.323232... x 100 - 0.323232... = 32 0.323232... x 99 = 32 0.323232... = 32/99 Therefore 0.323232... is a rational number.

Related questions

Is the square root of 99 a rational or irrational number?

Irrational: it amounts to roughly 9.949874371

Is the root of 99 a rational number?

No, they are not.

Is the square root of 99 rational or irrational?

Irrational.

Is 814 plus the square root of 99 rational?

No. 1) The square root of any positive integer that doesn't happen to be a perfect square is IRRATIONAL.2) If you add a rational and an irrational number, the result is irrational.

Is the square root of 99 an irrational number?

√99 is irrational.

What is the square root of 99?

Expressed as a number to two decimal places, this is approximately equal to 9.95.Expressed as a surd, the square root of 99 is equal to 3 sqrt(11).9.94987 (rounded)It is an irrational number and it is about 9.95The square root of 99 is 9.9

Is 99 a rational number?

A rational number is any number that can be written as a fraction, so yes, 99 is indeed a rational number.

What the two square roots for 9801?

A number can have only one square root; for 9801, it's 99.

Is the number 99 rational or irrational?

99 is an irrational number! rational number is the one which can be wrriten in terms of ratios of two numbers! * * * How about 99 = 198/2 = 293/3 = 396/4? Every whole number is a rational number, of course, including 99.

What is the square root of 99 in radical form?

The answer is: radical 99. I can't type the square-root symbol, but that is what you use. It's something like this: ____ \/ 99 This is radical 99.

What is the square root of 9801?

99.

How do you find out the square root of 9801?

The square root of 9801 is 99 by means of a scientific calculator.

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