Answer is 6.
72 is 36 x 2.
Sqrt 36 is 6, so sqrt 72 is 6 x sqrt 2. Dividing this by sqrt 2 leaves 6.
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0.0278
Rounded to two decimal places, the square root of 72 is 8.49.
The square root of 72 is equivalent to 6 times the square root of 2.
Well, there technically is not a way to simplify the square root of 2, but the simplified version of the square root of 72 is 6 square root 2
72 = 4982 = 64So, the square root of 53 is between 7 and 8.