The half-life of the uranium isotope 235 U is 700 million years. The earth is approximately 4.5
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The half-life of the uranium isotope 235U is 700 million years. The earth is approximately 4.5 billion years old. How much more 235U was there when the earth formed than there is today? Give your answer as the then-to-now ratio.
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Model The number of 235 U atoms decays exponential...View the full answer
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Related Book For
Physics For Scientists And Engineers A Strategic Approach With Modern Physics
ISBN: 9780321740908
3rd Edition
Authors: Randall D. Knight
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