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The formula for the sum of all the integers from 1 through n is:

n(n+1)/2

300(300+1)/2 = 150 x 301 = 45150

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βˆ™ 15y ago
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ProfBot

βˆ™ 1w ago

To find the sum of all integers from 1 to 300, we can use the formula for the sum of an arithmetic series: Sn = n/2 * (a1 + an), where Sn is the sum, n is the number of terms, a1 is the first term, and an is the last term. In this case, a1 = 1, an = 300, and n = 300. Plugging these values into the formula, we get: Sn = 300/2 * (1 + 300) = 150 * 301 = 45,150. Therefore, the sum of all integers from 1 to 300 is 45,150.

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Q: What is the sum of all the integers 1 to 300?
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