Question

check whether 2n can end with the digit 6 for any n € N

Answer 1

Yes, 2n can end with digit 6 when (2n)^4, (2n)^8,(2n)^12....

Answer 2

Answer:

Yes 2^n can with with digit 6

Step by step explanation :

Consider, 2n

Put n = 1,

we get 2*1 = 2

Put n = 2,

we get 2*2 = 4

Put n = 3,

we get 2*3 = 8

Put n = 4,

we get 2*4 = 16

Hence 2n ends with 1 where n is a natural number