Mathematics, 23.08.2020 04:01 blake12345v
A certain element has a half life of 2.5 billion years. a. You find a rock containing a mixture of the element and lead. You determine that 45% of the original element remains; the other 55% decayed into lead. How old is the rock? b. Analysis of another rock shows that it contains 65% of its original element; the other 35% decayed into lead. How old is the rock?
Answers: 1
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A certain element has a half life of 2.5 billion years. a. You find a rock containing a mixture of t...
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