Q6 of 54 Page 8

What is the last digit of 6100.

This is related to concept of numbers in the unit digits place of the powers of natural number. The power of 6 any index repetition 6 i.e. (6)n the last digit is 6 only.

Example:


i: 61 = 6


ii: 62 = 36


iii: 63 = 216


The last digit in the expansion of 6100 is 6.


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