Question

Can we have any natural number n for which 6^n ends with a digit 0

Answer 1

no, no natural no. is possible as 6^n always gives 6..

Answer 2

No. This will not be possible. The last digit will always be a non-zero digit.
Rather the last digit will be always six, irrespective of the value of n.
Hope this may help you. Please mark as the brainliest answer if you like it.