Mathematics, 15.04.2021 20:50 abigailweeks10
PLEASE HELP!!
Directions: Find the sum for each of the following arithmetic series below. Use the summation formula to find the sums.
1. Find the sum of the first 21 terms in a series where a = 20 and t21= 400.
2. Find the sum of the first 100 terms in a series where a = 0 and t100= 99.
3. Find the sum of the first 50 terms in a series where a = 4 and t50= 196.
Answers: 2
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Directions: Find the sum for each of the following arithmetic series below. Use the s...
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