Answered: 1. A radioactive substance has a…

1. A radioactive substance has a half-life of 1620 years. a. If its mass is now 4 g (grams), how much will be left 810 years from now? b. Find the time t1 when 1.5 g of the substance remain.

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

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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Analyze and solve. Please write the FULL SOLUTION. Indicate the application of 1st order ODE.

1. A radioactive substance has a half-life of 1620 years.
a. If its mass is now 4 g (grams), how much will be left 810 years from now?
b. Find the time t1 when 1.5 g of the substance remain.

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