scanned by camscanner · 24. ina sample rb87/sr87 is' found in the ratio of 1 : 3. afthe...
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Scanned by CamScanner · 24. Ina sample Rb87/Sr87 is' found in the ratio of 1 : 3. Afthe half-life ofRb87 is 50 by (billion years), the age of the sample is (C) 150 by (D) 200 by
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