Solve the indicated problem: Identify what is Asked, Representation, Formula, Solution and the Sequence in using the Calculator.  Suppose a culture of 300 bacteria is put in a petri dish and the culture doubles every hour. Approximately, how  many bacteria will there be in 9 hours? A certain radioactive substance decays half of itself every day. Initially, there are 10 grams.  Approximately, how much substance will be left after 8 days? Suppose that the half-life of a certain radioactive substance is 20 days and there are 10 grams initially. Determine the amount of and remaining substance remaining after 75 days .

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
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Solve the indicated problem: Identify what is Asked, Representation, Formula, Solution and the Sequence in using the Calculator.

  •  Suppose a culture of 300 bacteria is put in a petri dish and the culture doubles every hour. Approximately, how  many bacteria will there be in 9 hours?
  • A certain radioactive substance decays half of itself every day. Initially, there are 10 grams.  Approximately, how much substance will be left after 8 days?
  • Suppose that the half-life of a certain radioactive substance is 20 days and there are 10 grams initially. Determine the amount of and remaining substance remaining after 75 days .
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