Uranium-238 (U-238) has a half-life of 4.5 billion years. Geologists find a rock containing a mixture of

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Uranium-238 (U-238) has a half-life of 4.5 billion years. Geologists find a rock containing a mixture of U-238 and lead, and determine that 85% of the original U-238 remains; the other 15% has decayed into lead. How old is the rock?

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Calculus Early Transcendentals

ISBN: 978-0321947345

2nd edition

Authors: William L. Briggs, Lyle Cochran, Bernard Gillett

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Question Posted: Apr 06, 2019 11:39 AM

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Uranium-238 (U-238) has a half-life of 4.5 billion years. Geologists find a rock containing a mixture of

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The amount of U238 in the rock is modeled by ...View the full answer

Calculus Early Transcendentals

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