Question
A certain element has a half life of 4.5 billion years. a. You find a rock containing a mixture of the element and lead. You
A certain element has a half life of 4.5 billion years.
a. You find a rock containing a mixture of the element and lead. You determine that 45% of the original elementremains; the other 55% decayed into lead. How old is therock?
b. Analysis of another rock shows that it contains 65% of its originalelement; the other 35% decayed into lead. How old is therock?
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Algebra A Combined Approach (Subscription)
Authors: Elayn Martin Gay
5th Edition
013417920X, 9780134179209
