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vodka [1.7K]
3 years ago
11

Someone help fast please

Mathematics
2 answers:
balandron [24]3 years ago
6 0

Answer:

A

Step-by-step explanation:

The sequence of payment is geometric , that is

1, 3, 9, ...

The sum to n terms of a geometric sequence is

S_{n} = \frac{a(r^{n}-1) }{r-1}

where a is the first term and r the common ratio

Here a = 1 and r = 3 ÷ 1 = 3 , then

S_{15} = \frac{1(3^{15}-1) }{3-1} = \frac{14348907-1}{2} = \frac{14348906}{2} = 7174453 cents and

7174453 ÷ 100 = $71,744.53 → A

iVinArrow [24]3 years ago
3 0

Answer:

C

Step-by-step explanation:

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