Show that 12to the power n cannot end with digits 0 or 5 any natural m

1.	Show that 12to the power n cannot end with digits 0 or 5 any natural minumber n
Answer» The factors of 12 are 1,2,3,4,6,12 So to end with 0 the 5 is also required as a factor Since 12 does not have 5 as a factor Do there is no natural no.that end with 0

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