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What will be the unit digit of the squares of the following numbers? i. 81

What will be the unit digit of the squares of the following numbers? i. 81  

Grade:12th pass

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
2 years ago
Dear Student

The unit digit of the square of a number having digit 1 as unit’s place is1.∴ Unit digit of the square of number 81 is equal to 1.

Thanks

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