Question

2. What will be the Ones digit in the square
of the following numbers?
a. 4563
b. 2678
C. 1985
please answer fast and explain it also ​

Answer 1

Answer:

a) 3 x 3 = 9

b) 8 x 8 = 64

c) 5 x 5 = 25

Answer 2

Answer:

A.its not a perfect square because perfect squares never have 3 at its units place

B.its not a perfect square because perfect squares never have 8 at its units place

C.5