Practice problem
Let x⃗=[170533]\vec{x} = \begin{bmatrix} 1 \\ 70 \\ 533 \end{bmatrix}x=170533 and y⃗=[43240]\vec{y} = \begin{bmatrix} 432 \\ 4 \\ 0 \end{bmatrix}y=43240.
What is x⃗⋅y⃗\vec{x} \cdot \vec{y}x⋅y?
245
342
657
712
Type a concept, like “slope” or “photosynthesis”.
