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Korolek [52]
3 years ago
5

Solve the equation of exponential decay. The population of a city is expected to be 440,000 in 2020. This is a decline of 12% fr

om 2010 to 2020. Assuming this continued what would the population of the city be in 2040? Round to the nearest ten thousand
Mathematics
2 answers:
DIA [1.3K]3 years ago
5 0

Answer:

about 340,000

Step-by-step explanation:

In 10 years, the population dropped to 0.88 of what it was in 2010. At the same rate, in 20 more years, it will drop to 0.88² of what it was in 2020:

2040 population = 440,000·0.88² ≈ 340,000

tangare [24]3 years ago
4 0

Answer:

about 340,000

Step-by-step explanation:

In 10 years, the population dropped to 0.88 of what it was in 2010. At the same rate, in 20 more years, it will drop to 0.88² of what it was in 2020:

2040 population = 440,000·0.88² ≈ 340,000

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