Question

what will be the Unitdigit of the square of 81​

Answer 1

Step-by-step explanation:

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.

hope it's help you

Answer 2

Answer:

1

Step-by-step explanation:

81 x 81

= 6561

To find unit digit of a product, just multiply the unit digits of the given numbers.

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