The square root of 66 will be between 8 and 9, closer to 8.
8.1 is too low, 8.2 is too high.
8.12 is low, 8.13 is high.
8.124 is close enough.
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√144 = √122 = 12
It is an irrational number and rounds to 5.66 to the nearest hundredths
square it and cube it
0.6944
30