Mathematics, 25.01.2020 06:31 marquezbell6577
In the early 1960s, radioactive strontium-90 was released during atmospheric testing of nuclear weapons and got into the bones of people alive at the time. if the half-life of strontium-90 is 30 years, what fraction of the strontium-90 absorbed in 1963 remained in people's bones in 2004?
fraction =
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