Question

Check weather 8n can end with digit 0 for any natural number n

Answer 1

Dear friend
if n = 5
then 8n can be done as 8 (5)
which is equals to 40

the last digit is 0.
you have to observe one thing that n must be divided by 5 or 10. then only the result will have 0 at the end.

Hope this helps you.
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