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The two answers are -9 and +9.

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8y ago

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What is the easiest way to find the square root?

the eisest way to find square root of something , is to see what number x itself = that number .... so EXAMPLE:what is the square root of 81? this is how you will find it.....so what number x itself gives me 81? it's 9 because 9x9=81 so the square root of 81 is 9


What is the width of a square with an area of 81 cm2?

Use your calculator to calculate the square root of 81. Or use trial-and-error, to see which number, when multiplied by itself, gives you 81. (Hint: In this case, it is an integer.)


What number multiplied by itself gives 81?

The number 9 !


What number when multiplied by itself becomes 81?

The number 9 !


What number squared gives 81?

-9 or +9.


What number multiplied by itself 4 times is 81?

Oh, what a happy little math problem we have here! To find the number that, when multiplied by itself 4 times, equals 81, we simply need to take the fourth root of 81. So, the number we are looking for is 3. Isn't it wonderful how numbers can come together to create harmony and beauty?


What number multiplied 4 times by itself equals to 81?

The number is three.


A no exceeds 4 3 of itself by 27 what is the no?

The number is -81.


Is 81 a prime number or a 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


Is three a factor of 81?

A factor = a number which can be divided into the given number with no remainder Yes. It's the only factor of 81 (apart from 9, 27 and 81 itself).


What number when times by itself gives 1000?

The number that, when multiplied by itself, equals 1000 is the square root of 1000, which is approximately 31.62. This is because the square root of a number is the value that, when multiplied by itself, gives the original number. In this case, the square root of 1000 is 31.62 because 31.62 multiplied by 31.62 equals 1000.


Is 81 a prime composite or neither number?

81 is a composite number as it has factors other than 1 and itself (3, 27 and 9).