A population of bacteria grows exponentially and their population doubles every 4.5 hours. If the initial observation showed a total of 136 bacteria, approximately what would the population be 2 hours after the first observation? Approximately how long until their population reaches 400?

A population of bacteria grows exponentially and their population doubles every 4.5 hours. If the initial observation showed a total of 136 bacteria, approximately what would the population be 2 hours after the first observation? Approximately how long until their population reaches 400?

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter10: Exponential And Logarithmic Functions

Section10.5: Solve Exponential And Logarithmic Equations

Problem 10.88TI: Researchers recorded that a certain bacteria population declined from 700,000 to 400,000 in 5 hours...

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Question

A population of bacteria grows exponentially and their population doubles every 4.5 hours.
If the initial observation showed a total of 136 bacteria, approximately what would the population be 2 hours after the first observation? Approximately how long until their population
reaches 400?

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