The half-life of plutonium-241 is 13 years.  What is the decay constant?  Use the approximation ln(1/2) = -0.7 to obtain the answer.  Round to 2 decimal places.

College Algebra
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ISBN:9781938168383
Author:Jay Abramson
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Chapter6: Exponential And Logarithmic Functions
Section6.7: Exponential And Logarithmic Models
Problem 15TI: Cesium-137 has a half-life of about 30 years. If we begin with 200 mg of cesium-137, will it take...
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The half-life of plutonium-241 is 13 years.  What is the decay constant?  Use the approximation ln(1/2) = -0.7 to obtain the answer.  Round to 2 decimal places.

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