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Fermium-253 has a half-life of three days. a sample contains 400 g. how long will it take for the sample to decay to 100 g? number of half-lives: number of days:
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11 votes
11 votes
Fermium-253 has a half-life of three days. a sample contains 400 g. how long will it take for the sample to decay to 100 g? number of half-lives: number of days:

User AtomRiot
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2.9k points

2 Answers

14 votes
14 votes

Answer: 2 half-life periods

and 6 days

User Juan Carlos Velez
by
3.3k points
21 votes
21 votes

Answer:

  1. 2, and 6.
  2. 12.5.
  3. B:
    f(d)=400(0.794)^d
  4. D: 1.986

Explanation:

User Alexis Andersen
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2.8k points
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