Basic vectors question

[Bamienator]

Hello,

This is my first post on here, did I do the assignment correctly, what can I improve?

 

[stapel]

...did I do the assignment correctly, what can I improve?

I think the image shows your steps in doing your answer. (The image is somewhat muddy, at least to my old eyes.) But what was the original exercise? To what, specifically, are you providing an answer?

Please be complete. Thank you!