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08-01-2024
Physics

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The half-life of radium-224 is 3.66 days. What was the original mass of radium-224 if 0.044 g remains after 5.49 days? Answer in units of g.

A. 0.176 g
B. 0.352 g
C. 0.704 g
D. 1.408 g

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