Question
Asked Jan 13, 2020
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Find the sum of the first 80 positive even intergers.

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Expert Answer

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Step 1

Sum of the arithmetic progression with for n terms where a1 is the first term and an is the last term.

Advanced Math homework question answer, step 1, image 1
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Step 2

Here, series will have:

n=80 ( there are 80 terms)

a1=2 ( first positive even integer)

80th positive integer must be 160. So,

an=160

Step 3

Calculate s...

Advanced Math homework question answer, step 3, image 1
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