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Mathematics 6 Online
OpenStudy (anonymous):

assume a general exponential growth/decay model. The half-life of Lead 212 is approximately 11 minutes. How long will it take for 10 pounds of lead to decay to only ½ pound? a. 20.9 minutes b. 47.54 minutes c. 35.16 minutes d. 28.83 minutes

OpenStudy (perl):

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