Check whether 7^n can end with the digit 0 for any natural number n . Justify your answer
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Answer:
It's not possible.
Step-by-step explanation:
We know powers repeat after 4 natural numbers.
7^ 1 ends in 9.
7^ 2 ends in 3.
7^ 3 ends in 1.
7^ 4 ends in 7.
None of these numbers end in 0. Moreover only numbers ending with 0 can have the last digit of their powers as 0.
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