Question

At the beginning of an experiment, a scientist has 324 grams of radioactive goo. After 120 minutes, her sample has decayed to 40.5 grams. What is the rate of decay of the radioactive goo in grams per minute?

Answer 1

The rate of decay of the radioactive goo is 2.3625 grams per minute, calculated by subtracting the final amount from the initial amount and dividing by the time interval.

Step-by-step explanation:

The student asks about the rate of decay of a sample of radioactive goo from 324 grams to 40.5 grams over a period of 120 minutes. To find the rate per minute, we use the formula rate of decay = (initial amount - final amount) / time.

In this case, the rate of decay would be (324 - 40.5) grams / 120 minutes = 283.5 grams / 120 minutes = 2.3625 grams per minute.