Question

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

Answer 1

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