Answer
$S=\sum_{i=1}^{10}(i+3)^3$
Work Step by Step
Step 1. Let $a_1=4=1+3, a_2=5=2+3, a_3=6=3+3 $. We have $a_{10}=13=10+3$ and $a_{n}=n+3$
Step 2. We can express the summation as $S=\sum_{i=1}^{10}(i+3)^3$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.