Please look at the attachments (for the problem and my work) , thank you.(adsbygoogle = window.adsbygoogle || []).push({});

The answer from the book is 2.84 but I got 14.4.

How come?

My problem is #23

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Summation problem

**Physics Forums | Science Articles, Homework Help, Discussion**