Yes - the square root of 729 is equal to ±27.
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It is both because 27*27 = 729 and 9*9*9 = 729
729
729, cube of 9 and square of 27
For a number to be a perfect square and a perfect cube, it must be a perfect sixth power. Now 36 = 729 is too small and 56 = 15625 is too large, leaving 46 = 4096 as the answer.
To simplify 729, we need to find the largest perfect cube that divides evenly into it. The largest perfect cube that divides evenly into 729 is 9, as 9^3 = 729. Therefore, 729 can be simplified as 9^3.