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The sum of the first 40 positive integers (1-40) is: 820

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13y ago
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1w ago

The sum of the first forty positive integers can be calculated using the formula for the sum of an arithmetic series, which is (n/2)(first term + last term) where n is the number of terms. In this case, the sum is (40/2)(1 + 40) = 820.

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Q: What is the sum of the first forty positive integers?
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