show that 12 to the power n cannot end with 0 or 5 for any natural number n
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for any number to end with 0 or 5 it must have 2 and or 5 as its factor
but 12=3×2×2
it does not have 5 as its factor so it could not emd with 5 or 0
but 12=3×2×2
it does not have 5 as its factor so it could not emd with 5 or 0
champ07:
is not a brainlist answer my friend
sure it is
:-)
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