Question

The units digit of (123456)² =
a) 6 b)3
c)8
d) 4​

Answer 1

Answer:

ans is 6

Step-by-step explanation:

For any confusion mention in comment box

Answer 2

Answer:

a)6

Step-by-step explanation:

Square of any number ending with 6 always end with 6 (the units digit) ... If you don't understand, then use modulo

123456= 6 (mod 10)

(123456)² = 6² = 36 = 6 (mod 10)