SOLUTION: please help The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. Starting with 150 grams of a radioa

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: please help The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. Starting with 150 grams of a radioa      Log On


   



Question 1173068: please help
The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. Starting with 150 grams of a radioactive isotope, how much will be left after 5 half-lives?

Answer by josgarithmetic(39623) About Me  (Show Source):