A certain radioactive material is known to decay at a rate

Last updated: 6/9/2023

A certain radioactive material is known to decay at a rate proportional to the amount present If initially there are 100 milligrams of the material present and if after two years it is observed that 5 percent of the original mass has decayed find a an expression for the mass at any time t and b the time necessary for 10 percent of the original mass to have decayed 7 3