Mathematics · Averages and Progressions
The arithmetic mean of the series 1, 2, 4, 8, 16, ..., 2n is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12n - 1n + 1
- 22n - 1n
- 32n + 1n
- 42n+1 - 1n + 1✓
Correct answer
2n+1 - 1n + 1
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