Question 6 Vectors v and w have magnitudes | |3| | =16 and | |w| | =11 and the angle between these vectors is 159 What is the magnitude of their cross product? (Give an answer accurate to two decimal places. ) = 1/m x 2/1 Question Help: Message instructor Post to forum Submit Question MacBook Pro esc C G Search or type URL # $ % & N 3 4 5 6 7 Q tab W E R Y A S D C.Question 7 Let a = (-3, -4, 5) and b = (0, -4, -5). Find a unit vector which is orthogonal to a and b and has a positive x-component. Question Help: Message instructor _ Post to forum Submit Question MacBook P esc C G Search or type URL # % > W 5 Q W E tabQuestion 8 Find the area of a triangle PQR, where P = (6, -4, 5), Q = (2, -3, 1), and R = (-6, 6, 2) Question Help: Video Message instructor D Post to forum Submit Question MacBook Pro esc C G Search or type URL # % & 2 W 4 5 O 7 Q W E R Y tab