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OpenStudy (anonymous):
Suppose a laboratory has a 38 g sample of polonium-210. The half-life of polonium-210 is about 138 days. How many half-lives of polonium-210 occur in 1104 days? How much polonium is in the sample 1104 days later? (A)8; 0.15 g (B)9; 0.07 g (C)8; 4.75 g (D)8; 2,622 g
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