A geometric series begins with 500 and
decreases by 15% successively. choose
true or false for each statement about
the series.
a. the common ratio is 1.15.
o true o false
b. in the sum formula, a = 500 and
r=0.85.
true false
c the sum, if the series has 5 terms, is
1,854 (rounded to the nearest
integer).
o true false
d the sum, if the series has 9 terms, is
2425 (rounded to the nearest
integer).
true false