A radioactive isotope has a half-life of 56.6 days. What fraction of the isotope remains after 449

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A radioactive isotope has a half-life of 56.6 days. What fraction of the isotope remains after 449 days?

a. 3.2 × 10⁶

b. 1.00

c. 0.92

d. 4.1 × 10³

e. 0.83

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General Chemistry

ISBN: 978-1439043998

9th edition

Authors: Darrell Ebbing, Steven D. Gammon

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Question Posted: Jun 21, 2020 06:18 AM

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A radioactive isotope has a half-life of 56.6 days. What fraction of the isotope remains after 449

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formula to be used Nt 12 No tt 12 where Nt i...View the full answer

General Chemistry

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