The half-life of a certain radioactive element is such that 7/8 of a given quantity decays in 12 days.What fraction remains undecayed after 24 days?
Correct answer: C. 1/64
- A. 0
- B. 1/128
- C. 1/64
- D. 1/32
Explanation
The radioactive element has 1/8 of a given quantity remaining after 12 days. After 24 days or an additional 12 days, the fraction that remains undecayed is 1/64.
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