context: ###List of Questions
  (1) Calculate 41*-0.23.
  (2) Calculate prob of picking 2 x when two letters picked without replacement from {x: 4, d: 9, g: 1, w: 1, u: 2}.
  (3) What is next in -229, -247, -265?
  (4) What is 1/20 of a week in minutes?
  (5) Let g(z) be the third derivative of -z**6/120 - z**5/10 + z**4/8 + 7*z**3/6 - 8*z**2. What is the tens digit of g(-7)?
q_1: (1) Calculate 41*-0.23.
q_2: (2) Calculate prob of picking 2 x when two letters picked without replacement from {x: 4, d: 9, g: 1, w: 1, u: 2}.
q_3: (3) What is next in -229, -247, -265?
q_4: (4) What is 1/20 of a week in minutes?
q_5: (5) Let g(z) be the third derivative of -z**6/120 - z**5/10 + z**4/8 + 7*z**3/6 - 8*z**2. What is the tens digit of g(-7)?