. What will be the unit digit of the squares of the following numbers? iii. 799 iv. 3853

gyklutld7tdltld

Dear Student

The unit digit of square of a number having 'a' at its unit place ends with a×a.



iii.The unit digit of the square of a number having digit 9 as unit’s place is1.∴ Unit digit of the square of number 799 is equal to1.

iv.The unit digit of the square of a number having digit 3 as unit’s place is9.∴ Unit digit of the square of number 3853 is equal to 9.


Thanks