jailab1 jailab1
  • 12-01-2021
  • Physics
contestada

alayn h uderstands the half life of a certain substance is 90days. how long would it take for 80lbs of her substance to be reduced to 20lbs

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b9107237
b9107237 b9107237
  • 12-01-2021

Answer:

135 days...............

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