At the beginning of an experiment, a scientist has 296 grams of radioactive goo. After 120 minutes, her sample has decayed to 9.25 grams.
What is the half life of goo in minutes?
9.25/296 = 1/2^5
so the half-life is 120/5 minutes.
What is the half life of goo in minutes?
so the half-life is 120/5 minutes.