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Sr-90 may be produced from an atomic bomb explosion the

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Reference no: EM13591780

Sr-90 may be produced from an atomic bomb explosion. The half-life of Sr-90 is 28.8 years. What fraction of the Sr-90 originally produced by the first atomic bomb in July 1945 still remains as of July 2012?

a) 0.102

b) 0.209

c) 0.443

Reference no: EM13591780

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