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Grade 12th pass8 grade maths

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

Profile image of Harshit Singh
5 Years agoGrade 12th pass
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1 Answer

Profile image of Harshit Singh
5 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.

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