Question

what will be the units digit of a square of the following number
1234​

Answer 1

Answer:

6 is the right answer

Step-by-step explanation:

4^2 is 16 so one's digit is 6

Answer 2

Step-by-step explanation:

$given$

$unit \: of \: digit \: of \: 1234 = 4$

$4 \times 4 = 16$

$hence \: unit \: digit \: of \: 1234 \times 1234 = 6$