Use the exponential decay model, A = A e kt, to solve the following. The half-life of a certain substance is 21 years. How long will it take for a sample of this substance to decay to 74% of its original amount? It will take approximately amount. (Round to one decimal place needed.) for the sample of the substance to decay to 74% of its original

Use the exponential decay model, A = A e kt, to solve the following. The half-life of a certain substance is 21 years. How long will it take for a sample of this substance to decay to 74% of its original amount? It will take approximately amount. (Round to one decimal place needed.) for the sample of the substance to decay to 74% of its original

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter5: Inverse, Exponential, And Logarithmic Functions

Section: Chapter Questions

Problem 15T

See similar textbooks

Similar questions

An investment account was opened with aninitial deposit of 9,600 and earns 7.4 interest,compounded continuously. How much will theaccount be worth after 15 years?
In the exponential growth or decay function y=y0ekt, what does y0 represent? What does k represent?
The half-life of a radioactive material is about 34.2 years. How much of the material is left after 20 years?
Cesium-137 has a half-life of about 30 years. If we begin with 200 mg of cesium-137, will it take more or less than 230 years until only 1 milligram remains?
Half-Life The half-life of plutonium-241 is approximately 13 years. How much of a sample weighing 4 g will remain after 100 years? How much time is necessary for a sample weighing 4 g to decay to 0.1 g?