n 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 29 years, what fraction of the strontium-90 absorbed in 1965 remained in people's bones in 2003?
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n the early 1960s, radioactive strontium-90 was released during atmospheric testing of nuclear weapo...
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