can the number 6^n,being a natural number end with digit 5?give reason
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Answered by
5
No it can't end with 5 as it is an even number and cannot have odd multiples.
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is 7×5×3×2+3 a composite number? justify
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Answered by
3
No as any value of n will give the ones digit 6 only. So not possible.
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