Question: PLEASE NOTE : I need Q20 only In Exercises 15-24, use the vectors u = (3, 3). v = (-4. 2), and w = (3.

PLEASE NOTE : I need Q20 only

In Exercises 15-24, use the vectors u = (3, 3). v = (-4. 2), and w = (3. -1) to find the Indicated quantity. State whether the result is a vector or a scalar. 15. u . u 16. 30 . V 17. (u . v)v 18. (v . u)w 19. (3w . v)u 20. (u . 2v)w 21. Jw - 1 22. 2 - u 23. (u . v) - (u . w) 24. (v . u) - (

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