Show that 7^n can't end with digit 2 for any natural no. n

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4^{n}

12^{n}

0

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Show that 12 raise to n cannot end with the digit 0 or 5 for any natural number n

Question 11
Show that $12^{n}$ cannot end with the digit 0 or 5 for any natural number n.

Show that 3n ×4m cannot end with the digit 0 or 5for any natural numbers 'n ' and 'm'.

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