what is the average of the first 15 consecutive numbers starting with 1?

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Asked 7/1/2008 8:49:14 AM

Updated 44 days ago|12/8/2025 10:39:05 AM

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User: what is the average of the first 15 consecutive numbers starting with 1?

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Asked 7/1/2008 8:49:14 AM

Updated 44 days ago|12/8/2025 10:39:05 AM

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cruz30

First 15 consecutive numbers: 1, 2, 3, ..., 15
Average = Sum of numbers / Number of numbers
Sum = n(n + 1)/2 = 15 * 16 / 2 = 120
Average = 120 / 15 = 8
Average = 8

Added 44 days ago|12/8/2025 10:38:47 AM

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