25*25
15 x 15 = 225
8.54987973323 = 625
25 x 25 = 625
54 = 625 (to find out sqr rt 625 then sqr rt again)
It equals 625.
625 x 4 = 2500
125 times 5 gives 625 i.e. 5 * 125 = 625
80 and 625
The answer is 4, as 629 minus 4 equals 625. 625 is 25 squared.
(6 x 100) + (2 x 10) + (5 x 1) = 625
± 5 to the fourth power equals 625.
25 times 25 = 625