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Yes, 9 squared = 81.

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โˆ™ 2010-11-26 06:55:23
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Factoring and Multiples

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Q: Is 81 a sqare number
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Related questions

What is the sqare route of 81?

The square root of 81 is 9 as in 9 x 9 = 81


What is the positive sqare root of a number?

Square roots can be positive or negative. 9 x 9 = 81 -9 x -9 = 81 9 is the positive square root of 81.


Is 66 a sqare number?

No


Is 169 a sqare number?

YES


What year in the 20th century was a sqare number?

It was 1936.


Is the sqare root of 27 an irrational number?

Yes.


What other number is the sqare root of 49?

It is 7


Why is 32 not a sqare number?

because it can divied by 2


Is the sqare root of 6 an irrational number?

Yes


What number is an odd number and is not a sqare number and is a prime number and is a multible of 7?

The number is 7.


Is 81 a even number?

No, 81 is an odd number.


What are the magic sqare numbers?

It is a number that multiplies itself to create a product


Why is 900 a sqare number?

Because 30 times 30 = 900


Is 225 a sqare number?

Yes it is... 15 squared equals 225.


What is 81 is that a prime?

81 is not prime it's a composite number


What is the square number of 81?

The square number of 81 is 9. 9 x 9 = 81


What is the permiter of a sqare of 49 sqare units?

28


Who is number 81 on the Chicago Bears?

Number 81 is Rashied Davis.


Is 81 a least prime number?

81 is not a prime number. 81 = 3 * 3 * 3 * 3


Is -81 an irrational number?

No, -81 is not an irrational number because it can be represented in the form x/y = -81


The number of sqare units needed to cover a given surface?

It is the area of the surface.


Is 81 a prime or composite number?

It is a composite number, you can get 81 by mulitpling 1*81, 3*27, and 9*9.compositeNo the number 81 is not prime it can be divided by nine.composite


How many sqare inches are in one sqare foot?

144


Is 3 or 81 or 120 or 27 is a square number?

81 is a square number


What is number 81 on the periodic table?

Number 81 on the periodic table is Thallium.