Question

PreCalc:
Evaluate the expression v ⋅ w
Given the vectors:
r = <5, -5, -2>; v = <2, -8, -8>; w = <-2, 6, -5>

Answer 1

multiply the corresponding components then add them up

Answer 2

@sourwing
2*-2=-4
-8*6=-48
-8*-5=40
-4 + -48 + 40= -12
this right?

Answer 3

that is right