sqrt(4/9) = sqrt(4)/sqrt(9) = 2/3
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The square root of -4 is: 2 i
One whole is nine ninths. Nine ninths minus four ninths equals five ninths.
The square root of 43.25 is (to four decimal places) 6.5767
Two is the square root of four. Yes. As 2 squared is 4, the square root of 4 is 2, if that is what your are asking.