SOLUTION: A substance decays according to A=A0e−0.022t, where t is in hours and A0 is the initial amount. Determine the half-life of the substance. Round your answer to two decimal place

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: A substance decays according to A=A0e−0.022t, where t is in hours and A0 is the initial amount. Determine the half-life of the substance. Round your answer to two decimal place      Log On


   

Question 1140180: A substance decays according to A=A0e−0.022t, where t is in hours and A0 is the initial amount. Determine the half-life of the substance. Round your answer to two decimal places, if necessary.
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
A=A0e−0.022t

A=A%5Bo%5De%5E%28-0.022t%29

To find half-life from formula, take log of both sides, let A=1 and A%5Bo%5D=2, and solve for t. That is half-life.