What will be the units digit of the squares of the following numbers?
(i) 52 (ii) 977
(iii) 4583 (iv) 78367
(v) 52698 (vi) 99880
(vii) 12796 (viii) 55555
(ix) 53924
(i) 52
Unit digit of (52)2 = unit digit of (2)2 = 4
(ii) 977
Unit digit of (977)2 = unit digit of (7)2 = 9
(iii) 4583
Unit digit of (4583)2 = unit digit of (3)2 = 9
(iv) 78367
Unit digit of (78367)2 = unit digit of (7)2 = 9
(v) 52698
Unit digit of (52698)2 = unit digit of (8)2 = 4
(vi) 99880
Unit digit of (99880)2 = unit digit of (0)2 = 0
(vii) 12796
Unit digit of (12796)2 = unit digit of (6)2 = 6
(viii) 55555
Unit digit of (55555)2 = unit digit of (5)2 = 5
(ix) 53924
Unit digit of (53924)2 = unit digit of (4)2 = 6