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Biology 10 Online
OpenStudy (anonymous):

Please help. Medal and fan! Thorium-234 has a half-life of 24 days. If you started with a 100-g sample of thorium-234, how much would ramain after 48 days?

OpenStudy (anonymous):

a. 100 g b. 50 g c. 25 g d. 10 g

OpenStudy (anonymous):

Is it C?

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