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

Ross Attrill asked Sep 3, 2023

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25 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

Ross Attrill asked Sep 3, 2023

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20 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

JPot answered Sep 8, 2023

by JPot

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