Question

What will be the unit digit of the square of following numbers ? A.462 B.8639
Plz answer full solution​

Answer 1

Answer:

square of the following

462×462=213,444

8639×8639=74,632,321

hope it helps you

Answer 2

Answer

A. 4 { last digit is 2 and unit digit of square of 2 is 4 }

B.1 ( last digit is nine and unit digit of square of 9 is 1}