The dot product of two vectors is defined as the sum of the multiplication of each of its components. We have then: B = [2 8 .6 3] A = [3 0 2 -1] Making the product point: BA = [2 8 .6 3] [3 0 2 -1] BA = (2 * 3) + (8 * 0) + (0.6 * 2) + (3 * (- 1)) BA = 4.2 Answer BA = 4.2
