Question

Find the indicated dot product.

r = <9, -7, -8>, v = <3, 4, 7>, w = <6, -9, 7>

v ⋅ w

Answer 1

Would it be <3*6; 4*-9; 7*7>?

Answer 2

Dot product produces a scalar, not another vector.

Answer 3

here is an instructional site on it for reference: https://www.khanacademy.org/math/linear-algebra/vectors_and_spaces/dot_cross_products/v/vector-dot-product-and-vector-length