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Yes. The square root of 9 is 3.

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โˆ™ 2016-09-17 21:32:29
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Q: Is the square root of 9 a whole number?
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Related questions

Is the square root of -9 a natural whole integer rational or irrational number?

It is none of those because the square root of -9 is an imaginary number but the square root of 9 is 3 which is a rational integer or whole number


Can a square root be a whole number?

Yes. The square of a whole number is always a whole number. For example, 3 squared is 9, so the square root of 9 is 3. What you never have, is the square root of a whole number being a fraction that is not a whole number. The square root of a whole number is either a whole number or an irrational number. For example, the square root of 2 is irrational, because there are no 2 whole numbers a and b such that a/b squared is 2. This is not terribly difficult to prove, but I have already said too much; I have answered your question.


How do you check if a number is a perfect square?

For a number to be a perfect square, the number's square root has to be a whole number. 9 is a perfect square because its square root is a whole number, 3. If the square root of the number is a decimal, then it is not a perfect square. For example, 13 does not divide evenly so it not a perfect square.


Can the square root of a whole number be a repeating decimal?

Yes. For example, the square root of 1/9.


What is the square root of 80 to the nearest whole number?

9


Which whole number is the irrational root closer to 75?

Square root of 75 is about 8.660254038 so it is 9


What is a rational number whose square root is a whole number?

If the square root is a whole number, then the square of the square root, the original number, is also a whole number; all whole numbers can be expressed as themselves over 1, and so are rational numbers. The answer is thus any square number, ie the square of the natural numbers: 1 (1²), 4 (2²), 9 (3²), 16 (4²), etc.


Is square root of 9 a whole number?

Yes, it is +3 or -3


What is the approximate square root of 89 to the nearest whole number?

9


What is the nearest square number to 85?

Rounded to two decimal places, the square root of 85 is 9.22. Rounded down to the nearest whole number, this is 9.If you square 9, you get 9 x 9 = 81.


In 11 a square number?

No. A square number is one that has an integral as its square root. For example, 9 is a square number because 3 x 3 = 9. There is no whole number that gives you 11 when multiplied by itself.


Does a square root have to be a whole number?

No, a square root doesn't have to be a whole number. The square root of 2.25 is 1.5. It could be said that most square roots are not whole numbers. Take just the first few integers (counting numbers). Find the square roots of the numbers 1 through 10 and you'll find three of the numbers have whole number square roots (1, 4 and 9). The other seven don't. For the numbers 11 through 20, there is only 1 number with a whole number square root (16).


What is the difference between a square root and a square number?

3 is the square root of 9. 9 is a square number. 9 is the square root of 81. 81 is a square number.


What is The whole number closest to the square root of 78?

9 (92 = 81)


What is the approximate square root of 79 to the nearest whole number?

It is about 9


What whole number that has a square root between the number 9 and 10?

92 = 81 and 102 = 100 so the square root of any number between 81 and 100 would lie between 9 and 10.


What is the square root of the number 9?

The number 3 is the square root of the number 9 !


What number when times by itself gives 1000?

You are asking for the square root. The square root of a number is a number multiplied by itself to get that number. For example, the square root of 81 is 9, because 9 X 9= 81. The square root of 1000 is not a whole number, it is 31.62 (rounded) because 31.62 x 31.62 = 1000.(31.62 is approximate. The actual number is 31.6227766)


What does it mean for a number to be a perfect square?

A perfect square is a number whose square root is a whole number, such as 1, 4, 9, 16, 25, etc.


What is an example of a whole number that has a square root between 9 and 10?

9 x 9 = 81 and 10 x 10 = 100. So any number 82-99 would have a square root between 9 and 10.


What whole number does the square root of 99 fall between?

The square root of 99 falls between the whole numbers 9 and 10.Because 102 = 100and 92 = 8199 is between 81 and 100, so when you square root it, it falls between 9 and 10.


Which is the best estimate of the square root of 83?

9 is the best estimate whole number


What are the two whole number's close to 95 in square root form?

9 and 10


Is 9 square root an irrational number?

The square root of 9 is rational.


Is the square root of 9 rational or irrational?

It is rational.The square root of 9 is 3 and it is a rational number