sunnyfunny1504 sunnyfunny1504
  • 10-11-2022
  • Chemistry
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initially 100 milligrams of a radioactive substance was present. after 9 hours the mass had decreased by 6%. if the rate of decay is proportional to the amount of the substance present at time t, determine the half-life of the radioactive substance. (round your answer to one decimal place.)

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