context: ###List of Questions
  (1) Calculate prob of sequence nesl when four letters picked without replacement from {a: 1, v: 2, e: 2, n: 1, l: 1, s: 1}.
  (2) What is the next term in -14, 84, 250, 484?
  (3) Let u = -10 + 18. Let c = 4 - 3. Calculate the smallest common multiple of c and u.
  (4) How many millennia are there in 126528.03 months?
  (5) What is 1699 to the power of 1/6, to the nearest integer?
q_1: (1) Calculate prob of sequence nesl when four letters picked without replacement from {a: 1, v: 2, e: 2, n: 1, l: 1, s: 1}.
q_2: (2) What is the next term in -14, 84, 250, 484?
q_3: (3) Let u = -10 + 18. Let c = 4 - 3. Calculate the smallest common multiple of c and u.
q_4: (4) How many millennia are there in 126528.03 months?
q_5: (5) What is 1699 to the power of 1/6, to the nearest integer?