The number of radioactive nuclei present at the start of an experiment is 4.60 1015. The

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The number of radioactive nuclei present at the start of an experiment is 4.60 × 1015. The number present twenty days later is 8.14 × 1014. What is the half-life (in days) of the nuclei?

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Physics

ISBN: 978-0470879528

9th edition

Authors: John D. Cutnell, Kenneth W. Johnson

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Question Posted: Feb 06, 2013 05:32 AM

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The number of radioactive nuclei present at the start of an experiment is 4.60 1015. The

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