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Mazyrski [523]
2 years ago
9

The number of compact discs N purchased each year, in millions, can be

Mathematics
1 answer:
Aleonysh [2.5K]2 years ago
8 0

Answer:

126.5 years

Step-by-step explanation:

N(t) = 384(1.13)^t

2,000,000,000 = 384(1.13)^t

(1.13)^t = 2,000,000,000/384

log [(1.13)^t) = log (2,000,000,000/384)

t × log 1.13 = log (2,000,000,000/384)

t = [log (2,000,000,000/384)]/(log 1.13)

t = 126.5

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