2. MULTIPLE CHOICE. Circle the choice that best completes the statement or answers the question. You can use the back of the page to do the solution. (5 marks) (a) 1 (b) 1 (c) 0 (d) 3 (6) none of these (a) (b) 3 (e) 6 (d) 9 (e) none of these (a) 3J3 (b) 27 (G) 3 (d) 9 (B) 9 7 4 3 4 3 (a) I 0)) (6) _Z (d) 3 (e) Z 1 1 1 __ __ _ d __ _ (a) (b) (C) 4 ( ) 16 (B) 16 Section B: COMPLETE SOLUTIONS. Show all your work (every step), using correct mathematical notations, for full marks