Mathematics, 20.09.2020 02:01, BaileyRyan8320
Strontium-90, a radioactive isotope with applications in medicine, has a half-life of approximately 30 years.
A 225-gram sample of strontium-90 will decay to 100 grams after approximately years.
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Strontium-90, a radioactive isotope with applications in medicine, has a half-life of approximately...
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