Need help with problem #7

Convert each infix expression below into postfix notation. Additionally, evaluate the postfix expression. 1: 8 + 4 * 2 - 6 2: 7 * 2 - 4 * 3 + 2 * 5 3: 2 * 3 * 4 - 8 + 9/3/3 4: 5 + 7 * 4 - 6 5: 4 * (3 + 2 * 4) - 7 6: (5 + 7)/(9 - 5) 7: 3 * (5 * (5 - 2)) - 9 8: ((5 * (4 + 2) - (8 + 8)/2) - 9^3 9: ((5 + 5 * (6 - 2) + 4^2) * 8) 10: (((3^4)))