Question

what is the ending digits of perfect square ??

Answer 1

Step-by-step explanation:

E.g. 100,400,900 all are Perfect Square having unit digit 0 and tens digit is 0. – If a number ends with 2, 3, 7 or 8 then it can't be perfect square. 88 we get 7744. 

Answer 2

the ending digit should be even just like 4 or 6 . 2, 3, 7 or 8  is not a perfect square

2x2=4

6x6=36

4x4=16

8x8=64 etc............................

Step-by-step explanation: