Positive 4 and
Negative 4
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No. The square root of 16 is.... 4 (4x4=16) and (-4x-4=16)
The square root of 16 is 4 which is a whole number.
4th root is same as square root of square root: sqrt(256) = 16, and sqrt(16) = 4
A square root of a number is a lesser number that when multiplied by it's self equals the larger number. The square root of 16 is 4. 4*4=16
Sometimes it is and sometimes it isn't. The square root of 2 and the square root of 3 are both irrational, as is their product, the square root of 6. The square root of 2 and the square root of 8 are both irrational, but their product, the square root of 16, is rational (in fact, it equals 4).