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What could be the possible ‘one’s’ digits of the square root of each of the following numbers? 998001

What could be the possible ‘one’s’ digits of the square root of each of the following numbers? 
998001

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
3 years ago
Dear Student

We know that the unit’s digit of the square of a number having digit as unit’splace 1 is 1 and also 9 is 1[92=81 whose unit place is 1].
∴ Unit’s digit of the square root of number 998001 is equal to 1 or 9.

Thanks

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