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The positive square root of 256 is 16 because 16 multiplied by 16 equals 256. The negative square root of 256 is -16 because -16 multiplied by -16 also equals 256. In general, for any positive number x, the square roots of x are both a positive and a negative number, with the positive square root being the principal square root.
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Continue Learning about Other Math
What are all the real fourth roots of 256?
The 4th root of 256 is 4
Is 256 a square number?
Yes. 256 = 162
The real fourth roots of 256?
2 and -2.
What is the square root of 275?
5.24404424
What is the square root of 65536?
The square root of 65536 is 256. This is because the square root of a number is a value that, when multiplied by itself, gives the original number. In this case, 256 multiplied by 256 equals 65536. The square root function is the inverse of squaring a number.
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