Question

What will be the unit digit of the squares of the following numbers? (i) 81​

Answer 1

Answer:

1

∴ Unit digit of the square of number 81 is equal to 1. ii. The unit digit of the square of a number having digit 2 as unit's place is 4.

Step-by-step explanation:

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Answer 2

1

∴ Unit digit of the square of number 81 is equal to 1. ii. The unit digit of the square of a number having digit 2 as unit's place is 4.

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