Mathematics · Radioactive Decay and Half-life
After undergoing radioactive decay for 60 days, how much of a 100 mg sample of a substance with a half-life of 20 days will still remain?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 16.25 mg
- 212.5 mg✓
- 325 mg
- 450 mg
Correct answer
12.5 mg
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