7: What is the sum of the first five terms of the geometric sequence in which a1 = 3 and r = 1/3?
Express your answer as an improper fraction using the slash(/) key and no spaces._______
8: The original purchase price of a car is $12,000. Each year, its value depreciates by 5%. Three years after the purchase, what is the value of the car?
A: $1.50
B: $13,891.50
C: $10,830
D: $10,288.50
9: Which of the following sequences are geometric?
Check all that apply
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