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Question . Show that the number 3" cannot end with the digit 0 for any n e N. ​ ........... plz help me friends

Answer»

Answer:

We KNOW if a number should end with zero, then it's prime FACTOR sould be 2×5 (at least once).

Here,

3n=1×3n

Therefore,

It will not end with zero, because prime FACTORISATION of

3=1×3.

Hence PROVED.

HOPE IT HELPS



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