The square root of the first part of 6400 is 8 and hence square root of 6400 is 80. (80*80 = 6400)
The square root of the first part of 6400 is 8 and hence square root of 6400 is 80. (80*80 = 6400)
The nearest previous perfect square is 6241 and the nearest next perfect square is 6561 .
