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OpenStudy (anonymous):
HELP PLEASE RIGHT AWAY A 200-gram sample of a radioactive nuclide is left to decay for 30 hours. At the end of 30 hours, only 100 grams of the sample is left. What is the half-life of the nuclide sample? 10 hours 1.5 days 30 hours 0.5 hours
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OpenStudy (stormfire1):
30 hours...since after 30 hours only half of the original amount is left.
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