E Eric New member Sep 26, 2009 #1 The half-life of polonium-210 is 138.4 days. How many milligrams of polonium-210 re- main after 442.88 days if you start with 4.1mg of the isotope? Answer in units of mg.
The half-life of polonium-210 is 138.4 days. How many milligrams of polonium-210 re- main after 442.88 days if you start with 4.1mg of the isotope? Answer in units of mg.