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##### logarithms

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**How long will it take for $1000 to grow to $1500 if it earns**8% annual interest, compounded monthly? Where A ( t ) = 1500, P = 1000, r = 0.08, and n = 12.**Currently, 80,000 bacteria are present in a culture. When an**antibiotic is added to the culture, the number of bacteria is reduced by half every 3 hours. What is the equation showing the amount of bacteria?**Currently, 80,000 bacteria are present in a culture. When an**antibiotic is added to the culture, the number of bacteria is reduced by half every 3 hours. When will fewer than 1000 bacteria be present?**Find the exponential equation that goes through the points**(1,3) and (2,9).