$> What is the number? 5 21=2x1=2 31=3x2x1=6 41 = 4 x 3 x 2 x 1 = 24 51 = 5 x 4 x 3 x 2 x 1 = 120 2. A double rectangle of stars (the user supplies height and width) output $> What is the height? 5 $> What is the width? 6