Mathematics · Number Systems

The least positive integer n such that 10 5n + 10 6n + 10 7n is divisible by 10 is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1n = 1
2n = 2✓
3n = 3
4n = 4

Correct answer

n = 2

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The least positive integer n such that 10 5n + 10 6n + 10 7n is divisible by 10 is:

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