Question

what is unit digit??
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Answer 1

Units digit of a number is the digit in the one's place of the number. i.e It is the rightmost digit of the number. For example, the units digit of 243 is 3, the units digit of 39 is 9. But then what is the units digit of large numbers like 23 to the power 46 or what is the units digit of 2014 to the power of 2014?

Answer 2

Unit digit of a number is the one's place..

for example 546 in this the unit digit is 6..