Question: The figure shows a vector a in the xy-plane and a vector b in the direction of k. Their lengths are |a| = 3 and

The figure shows a vector a in the xy-plane and a vector b in the direction of k. Their lengths are |a| = 3 and |b| = 2.
(a) Find |a x b|.

(b) Use the right-hand rule to decide whether the components of a 3 b are positive, negative, or 0.

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