Logarithms: Radioactive Decay
View the Lesson | MATHguide homepage Updated October 29th, 2017

Status: Waiting for your answer.

Formula: Radioactive Decay Formula
Given: There are 19 grams of Beryllium-11.
Beryllium-11 has a half-life of 13.8 seconds.
Find:  Use the formula above to calculate the time it would take for the given mass to degrade down to 0.3 grams. Calculate the solution for 't' to the nearest tenth using logarithms.
Solution:   t = seconds