EXERCISE 6.1e the unit digit of the squares of the following numbers?( – InterviewSolution

1.	EXERCISE 6.1e the unit digit of the squares of the following numbers?(i) 81(i) 272(ii) 799
Answer» square a number last digit will be square of last digit of numberi) 1² = 1ii) 2² = 4iii) 9² = 1

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