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A petri dish contains 200 bacteria. If 10% die every hour, how many bacteria wil

Practice Questions

Q1
A petri dish contains 200 bacteria. If 10% die every hour, how many bacteria will remain after 3 hours?
  1. 162
  2. 170
  3. 180
  4. 190

Questions & Step-by-Step Solutions

A petri dish contains 200 bacteria. If 10% die every hour, how many bacteria will remain after 3 hours?
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