Math, asked by sjrjnj9, 17 days ago

what is the unit of square of 81

Answers

Answered by s14626cbaibhavjit041

0

Answer:

1 is the correct answer how you will understand it

Answered by vijaykrishnam

0

Answer:

1

Step-by-step explanation:

The unit digit of the square of a number having digit 1 as unit's place is 1. ∴ Unit digit of the square of number 81 is equal to 1.

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