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Suppose the half-life of a certain radioactive substance is 12 days. Find the time when there will be 20% of the initial substance remaining. Assume you have 1 gram of the original substance.


pls help, it due today

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Answer: 2.4% I think

12 x 20 / 100 = 2.4%

The time when there will be 20% of the initial substance remaining is 2.4%

Given that,

  • Suppose the half-life of a certain radioactive substance is 12 days.  
  • and, there is 20% of the initial substance remaining.

calculation:

= 12% of 20%

= 2.4%

learn more about the substance here: https://brainly.com/question/497209

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