the population of new york city doubles during the workday. at the end of the workday, the population decreases by half. if the population in new york city is roughly 4,000,000 people before rush hour, and morning rush hour lasts 3 hours. what would be the population if rush-hour growth rate continued for 12 hours instead of 3.

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  1. since 12 = 3*4
    it would double 4 times instead of just once, right?
    so, what is 2^4 ?

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