SOLUTION: Find the sum of each infinite geometric series. 32. 30 + 22.5 + 16.875 + . . . Sn=a/(1-r) r = 0.75 a = 30 Sn = 120 33. 15 - 3 + 0.6 - 0.12 + . . .

Algebra ->  Sequences-and-series -> SOLUTION: Find the sum of each infinite geometric series. 32. 30 + 22.5 + 16.875 + . . . Sn=a/(1-r) r = 0.75 a = 30 Sn = 120 33. 15 - 3 + 0.6 - 0.12 + . . .       Log On


   

Question 196907: Find the sum of each infinite geometric series.

32. 30 + 22.5 + 16.875 + . . .
Sn=a/(1-r)
r = 0.75
a = 30
Sn = 120
33. 15 - 3 + 0.6 - 0.12 + . . .
r = -0.2
a = 15
Sn = 12.5
34. 12 + 6 + 3 + . . .
a = 12
r = 0.5
Sn = 24
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