Math, asked by shri94518, 6 months ago

Unit digit of the square 81

Answers

Answered by 8rahul8

Answer:

Unit digit of the square 81 is 1.

Answered by Anonymous

Unit digit of a square of a number is equal to the unit digit of square of unit digit of that number. So, (i)81 - Unit digit of square of 81 will be 1.

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