Question

For any value of n, last digit of 6^n always ends with ----- a.)4 b.)8 c.)either4 0r 8 d.)none of these


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Answer 1

May be it is c) either 4 or 8 I think

Answer 2

Answer:

d. none of these.

the last digit would be 6.

6^1=6

6^2 =36

6^3=216

so as we can see the last digit comes out to be 6 and if we multiple it again with 6 (i.e 6*6=36 where 3 will be carry forward)