sqrt(4/49) = sqrt(4)/sqrt(49) = 2/7
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The square root of 70 can not be simplified, because the number 70 is not divisible by any perfect square (4, 9, 16, 25, 36, 49).
3/7
sqrt(100)/49 = 10/49 = 0.2041, approx.
The square root of negative forty-nine (-49) has no value over real numbers. However, over complex numbers, the square root of -49 is ±7i, where "i" is the imaginary unit, which i2 = -1.
The square root of 49 is 7.7 times 7 is 49, so the square root of 49 is 7. 7