Physics, 14.11.2020 03:40, Betzabeth671

Lead-202 has a half-life of 53,000 years. How long will it take for 15/16 of a sample of lead-202 to decay? 106,000 years
159,000 years
212,000 years
265,000 years
(Thank you very much :L)

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Lead-202 has a half-life of 53,000 years. How long will it take for 15/16 of a sample of lead-202 to...