Question: If 100g Rubidium 87 decayed from original sample that was 200g, how old is the specimen? Question 6 options: a) 23.5 billion years b) 47

If 100g Rubidium 87 decayed from original sample that was 200g, how old is the specimen? Question 6 options: a) 23.5 billion years b) 47 billion years c) 94 billion years d) 470 million years

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