7. Can the number 6", n being a natural number, end with the digit 5? – InterviewSolution

1.

7. Can the number 6", n being a natural number, end with the digit 5? Give reasons.

Answer»

No, beacuse,6ⁿ = 2ⁿ × 3ⁿ

For a number to end with 5 it must have 5 as a factor.

Here 6ⁿ does not have 5 as factor

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