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A radioactive isotope has 12.5% remaining after 24 days what is the half life of this isotope - 6 days - 3 days - 12 days - 8 days
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8 votes
A radioactive isotope has 12.5% remaining after 24 days what is the half life of this isotope

- 6 days
- 3 days
- 12 days
- 8 days

User Dimas Pante
by
5.9k points

1 Answer

5 votes

Answer:

8 days

Step-by-step explanation:

1/2 * 1/2 * 1/2 = .125 or 12.5%

three half lives in 24 days one half life = 8 days

User IFanie
by
5.9k points
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