1.5874
The square root of 64 is 8(8 x 8 = 64)
They are -8*i and +8*i where i is the imaginary square root of -1.
sqrt(640) = sqrt(64*10) = sqrt(64)*sqrt(10) = 8*sqrt(10)
sqrt(320) = sqrt(64*5) = sqrt(64)*sqrt(5) = 8*sqrt(5)
56-64 simplified = -8
64/125 cannot be simplified.
√704 = √(64*11) = √64*√11 = 8*√11 = 26.53 approx.
63/64 cannot be simplified further.
164
64 over 96 simplified = 2/3
1 1/9 cannot be simplified.
The square root of 20 simplified is ±4.5