The answers must contain the appropriate number of significant digits and the units must be given....

 

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The answers must contain the appropriate number of significant digits and the units must be given. 11. a) (5 points) Calculate the scalar product of vectors A=(12i – 18) and B = (-4i +3}). b) (5 points) Calculate the angle between vectors A and B. The answers must contain the appropriate number of significant digits and the units must be given. 11. a) (5 points) Calculate the scalar product of vectors A=(12i – 18) and B = (-4i +3}). b) (5 points) Calculate the angle between vectors A and B.