Evaluate the following arithmetic expressions using binary trees. Show all your works a) 10* 2 $ 2-412 * 2 + 7 ( b) 91(3* (6* 3)) * 54 Evaluate the following arithmetic expressions using binary trees. Show all your works a) 10* 2 $ 2-412 * 2 + 7 ( b) 91(3* (6* 3)) * 54