prove that there is no natural number for which 4 power n
ends with digit 0
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Answered by
1
as 4 does not have 2 &5 as it's factor
so 4power n can never end with 0
so 4power n can never end with 0
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Answered by
0
As four does not have 2 or 5 as its factors so it can never end in 0
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