need this, asap. Definitely give a thumb up

ammunication: [5 Marks] 1. For each of the following calculations a) determine which are possible for vectors in R3 and which are meaningless. Indicate which answers will be scalar or vector, [3 marks] Calculation Possible or Meanin_ less If nossible, vector or scalar? b) Explain how you know if a product will be vector or scalar. What are the operations that will maintain a vector product? What are the operations that will maintain a scalar product? [2 marks]