Question

check whether 6 ^n can end with the digit 0 for any natural number n.

Answer 1

$heya$
For any number to end with zero, it must be divisible by 2 and 5, or by 10,
as 10=2×5

Prime factorisation of 6=2×3
It can be observed that 5 is not included in the prime factorisation of 6.
Hence, 6^n cannot end with the digit zero for any natural number n.

$thumbs \: up \: please$

Answer 2

here is your answer.

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