3: Question 3 (1 point) The half-life of radium-226 is 1600 years. Suppose you have a 20-mg sample. How long will it tak
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3: Question 3 (1 point) The half-life of radium-226 is 1600 years. Suppose you have a 20-mg sample. How long will it tak
Question 3 (1 point) The half-life of radium-226 is 1600 years. Suppose you have a 20-mg sample. How long will it take to decay to 7-mg? Round to 4 decimal places. Previous Page Next Page A Page 3 of 4
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