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A colony of bacteria is growing exponentially. Initially, 500 bacteria were in the colony. The growth rate is 20% per hour. (a) How many bacteria

A colony of bacteria is growing exponentially. Initially, 500 bacteria were in the colony. The growth rate is 20% per hour.

(a) How many bacteria should be in the colony in 12 hours?

(b) How many in 1 day? Use the formula N = N₀e^rt, where N represents the number of bacteria.

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