After 200 million years, only 1/16 of the original amount of a particular radioactive waste will remain. The half-life is this radioactive waste is how many million years?

After 200 million years, only 1/16 of the original amount of a particular radioactive waste will remain. The half-life is this radioactive waste is how many million years?

After 200 million years, only 1/16 of the original amount of a particular radioactive waste will remain. The half-life is this radioactive waste is how many million years? 




Answer: 50