WNW: Communication in all questions must include: (93 mark deduction per error) Enough steps shown to clearly demonstrate thinking a Units used as required Solutions that are neat and easy to follow n Fractions not decimals, unless otherwise stated Proper use of mathematical symbols and notation, - Radicals, not decimals, unless otherwise stated including correct vector notation Equal signs aligned Side calculations clearly labeled if used Variables and functions dened as required Therefore statements where appropriate Fractions reduced to lowest terms Neat, labelled, and clear vector diagrams drawn Proofs work from one side of the equation to the other I... Show all steps to cam full marks. No guess and check. 9. Given | [p, -2,4] x [-2,3,1] | = v278, determine the value(s) of p. [T4]