context: ###List of Questions
  (1) Three letters picked without replacement from idiaiid. Give prob of sequence ddi.
  (2) Let o = 2112797/11 - 191538. Let i = 532 - o. What is the common denominator of 2/(-8)*(-970)/25 and i?
  (3) Let o(v) = -v**3 - 3*v**2 - 4*v - 6. Let u be o(-4). Suppose 3*q + 11 - u = 0. Solve -5*p = f - 4*p - 6, -3*f + 26 = q*p for f.
  (4) What is 10720 to the power of 1/5, to the nearest integer?
  (5) How many centimeters are there in three tenths of a meter?
q_1: (1) Three letters picked without replacement from idiaiid. Give prob of sequence ddi.
q_2: (2) Let o = 2112797/11 - 191538. Let i = 532 - o. What is the common denominator of 2/(-8)*(-970)/25 and i?
q_3: (3) Let o(v) = -v**3 - 3*v**2 - 4*v - 6. Let u be o(-4). Suppose 3*q + 11 - u = 0. Solve -5*p = f - 4*p - 6, -3*f + 26 = q*p for f.
q_4: (4) What is 10720 to the power of 1/5, to the nearest integer?
q_5: (5) How many centimeters are there in three tenths of a meter?