5 Check whether 6" can end with the digit 0 for any natural number n. – InterviewSolution

1.	5 Check whether 6" can end with the digit 0 for any natural number n.
Answer» No, 6^n can never end with 0. 6^1 = 6. 6^2= 36.6^3 = 216.6^4 = 1296.and so on. 6^n always ends with digit 6. Last digit is determined by multiplication of last two digits of a number and every exponent of 6 ends with 6.

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