context: ###List of Questions
  (1) What is 40320.53t in kilograms?
  (2) Let n(a) be the third derivative of -a**4/24 + a**3/2 + 2*a**2. What is the least common multiple of 1 and n(-5)?
  (3) What is the square root of 3318 to the nearest integer?
  (4) Solve -5*i - 5*r - 50 = 0, -r + 5 = -4*i - 10 for i.
  (5) Four letters picked without replacement from {m: 5, z: 1, b: 8, h: 4}. Give prob of picking 1 b, 1 z, 1 h, and 1 m.
q_1: (1) What is 40320.53t in kilograms?
q_2: (2) Let n(a) be the third derivative of -a**4/24 + a**3/2 + 2*a**2. What is the least common multiple of 1 and n(-5)?
q_3: (3) What is the square root of 3318 to the nearest integer?
q_4: (4) Solve -5*i - 5*r - 50 = 0, -r + 5 = -4*i - 10 for i.
q_5: (5) Four letters picked without replacement from {m: 5, z: 1, b: 8, h: 4}. Give prob of picking 1 b, 1 z, 1 h, and 1 m.