. What will be the unit digit of the squares of the following numbers? vii. 52698 viii. 99880

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Dear Student

The unit digit of square of a number having 'a' at its unit place ends with a×a.

vii.The unit digit of the square of a number having digit 8 as unit’s place is4.∴ Unit digit of the square of number 52698 is equal to 4.

viii.The unit digit of the square of a number having digit 0 as unit’s place is01.∴ Unit digit of the square of number 99880 is equal to 0.


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