Answers AA-F26 Physical Science Cumulative Exam — Cumulative examQuestion 24

24

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Cumulative Exam — Cumulative exam

Question 24 • AA-F26 Physical Science

A substance is on its fifth half-life. Which approximates the percentages of radioactive and stable isotopes, respectively?

Answer

A

96.9%; 3.1%

B

3.1%; 96.9%

C

12.5%; 87.5%

D

87.5%; 12.5%

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