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. What will be the unit digit of the squares of the following numbers? iii. 799 iv. 3853 gyklutld7tdltld

. What will be the unit digit of the squares of the following numbers? iii. 799 iv. 3853  
gyklutld7tdltld

Grade:12th pass

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
2 years ago
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

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