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How many half-lives are required for three-fourths of the nuclei of an isotope in a sample to decay?

How many half-lives are required for three-fourths of the nuclei of an isotope in a sample to decay?
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How many half-lives are required for three-fourths of the nuclei of an isotope in a sample to decay?

User Rohitax Rajguru
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1 Answer

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2 half lives are required.
User Ohad Cohen
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