context: ###List of Questions
  (1) Let f be 2/(-5) + 44/10. Suppose -w + 2 - f = 0. Calculate the remainder when 19 is divided by 10 + (w - -2 - 0).
  (2) How many tonnes are there in 7.535122 micrograms?
  (3) What comes next: -7877, -7883, -7903, -7943, -8009, -8107, -8243, -8423?
  (4) Calculate prob of sequence mmnn when four letters picked without replacement from nznnnznnzmmnzzn.
  (5) What is 28847 to the power of 1/2, to the nearest integer?
q_1: (1) Let f be 2/(-5) + 44/10. Suppose -w + 2 - f = 0. Calculate the remainder when 19 is divided by 10 + (w - -2 - 0).
q_2: (2) How many tonnes are there in 7.535122 micrograms?
q_3: (3) What comes next: -7877, -7883, -7903, -7943, -8009, -8107, -8243, -8423?
q_4: (4) Calculate prob of sequence mmnn when four letters picked without replacement from nznnnznnzmmnzzn.
q_5: (5) What is 28847 to the power of 1/2, to the nearest integer?