What fraction of a given sample of radioactive nuclide remains after four half lives?
a. half-life: 1/2 left
b. half of that, or 1/4
c. half of that, or 1/8
d. half of that, or 1/16

On a piece of paper, graph . then determine which answer choice matches the graph you drew

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided