During normal breathing, about 12% of the air in the lungs is replaced after one breath.
write an exponential decay model for the amount of the original air left in the lungs if the
initial amount of air in the lungs is 500 ml. how much of the original air is present after
240 breaths?

Divide. write in the simplest form. 4 1/6 divided by 10

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z