After 15 years, one fourth of the initial mass of radioactive substance has decayed. a) Find the half-life of the radioactive substance. b) Evaluate the percentage lost of the substance in 90 years
After 15 years, one fourth of the initial mass of radioactive substance has decayed. a) Find the half-life of the radioactive substance. b) Evaluate the percentage lost of the substance in 90 years
Chapter6: Exponential And Logarithmic Functions
Section6.1: Exponential Functions
Problem 62SE: A scientist begins with 100 milligrams of aradioactive substance that decays exponentially. After 35...
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After 15 years, one fourth of the initial mass of radioactive substance has decayed.
a) Find the half-life of the radioactive substance.
b) Evaluate the percentage lost of the substance in 90 years.
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