Square numbers in that range are 625 and 676.
The number halfway between them is 600.
600 as it is 49 away from 600 but is 51 away from 700
The two numbers, in their hundreds, on either side of 652 are:600 - which is 652 - 600 = 52 away, and700 - which is 700 - 652 = 48 away.Of these two, the nearer is 700.
600
700
750
252 = 625
400 to 500
The squares of 25, 26, -25 and -26 are in that range.
25 squared = 625 and 26 squared = 676
The number halfway between them is 600.
700
650
700
The years between 600 and 700.
The range is 400. (700 - 300 = 400)
600 as it is 49 away from 600 but is 51 away from 700