Answered: The decay rate for a radioactive…

Math

Calculus

The decay rate for a radioactive isotope is 1.6% per year. Find the half-life

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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Question

Needed to be solved This Multiple choice question 5 correctly Please let me know the right solution please

The decay rate for a radioactive isotope is 1.6% per year. Find the half-life of
the isotope. Round to the nearest tenth of a year (one decimal place).
19.3 years
43.3 years
8.3 years
InO 4.3 years
26.7 years
None of these

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