Math, asked by shilpishreya, 11 months ago

what will be the unit digit of the square of the 81 with full explanation???​

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Answered by sachinkumar67
1

Answer:

Unit digit of square of 81 will be 1 because the square of 11 is 121 where 1 is at unit palace in the number and in the square there is also 1 as unit digit

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