Current Attempt in ProgressIf 18% of a radioactive substance decays in 18 hours, what is the half-life of the substance?Round your answer to one decimal place.The half-life is ihours.

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Answered: If 18% of a radioactive substance…

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter5: Exponential And Logarithmic Functions

Section: Chapter Questions

Problem 28T: The half-life of radioactive actinium ( 227AC ) is 21.77 years. What percent of a present amount of...

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If 18% of a radioactive substance decays in 18 hours, what is the half-life of the substance? Round your answer to one decimal place.