exercise5:

  e[k]

0 3.813026733129685e+33
1 8.860713690265818e+39
2 366169286.78955054
3 5.320619467976545e-06
4 2.9518799407740604e-06
5 1.548805187458896e-06
6 7.926154472377711e-07

  r[k] = e[k] / e[k+1]

0 4.303295272161418e-07
1 2.419840770358864e+31
2 68820799719549.63
3 1.802451175091267
4 1.9059078344237537
5 1.9540436574336417