Question

Evaluate the expression:

v ⋅ w

Given the vectors:

r = <8, 1, -6>; v = <6, 7, -3>; w = <-7, 5, 2>

Answer 1

do i just

v = <6, 7, -3>; w = <-7, 5, 2>
6*-7,7*5,-3*2
-42,35,-6
8820

or ?????????

Answer 2

how did you get 8820?

Answer 3

oh nvm, you did

42*35*6 = 8,820

Answer 4

instead of multiplying -42,35, and -6, you actually add up the three values