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OpenStudy (anonymous):
Uranium-240 has a rate of decay of .0491593745. What is the mass of U-240 left after 10 hours, if the initial mass is 50 grams?
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OpenStudy (anonymous):
\[\large 50\times e^{-.0491593745}\] and a calulator
OpenStudy (mokeira):
is the rate of decay also in hours?
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