Ask Question
20 May, 01:27

An arithmetic series has seven terms. the first term is 5 and the last term is 53. find the sum of the series!

+2
Answers (1)
  1. 20 May, 04:04
    0
    The easiest way is to use (& to memorize) the sum formula for a AP:

    Sum = 1st term added to the last term & multiplied by half the number of terms

    S = (a+l) n/2

    S = (5 + 53) (7/2) = 203
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “An arithmetic series has seven terms. the first term is 5 and the last term is 53. find the sum of the series! ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers