In a lab, 820 cells are present at the beginning of an experiment. During the first 6 hours, the number of cells decreased by 5% each our. to solve, write an exponential model
giving the number of cells y present t hours after starting the experiment. Estimate the
time when the number of cells is 700, to the nearest hour.

answer: 414,377,008

step-by-step explanation:

just multiply it

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.

students group

step-by-step explanation:

a person who   joins a party or a seminar can explain his feelings about that particular occasion better more than anyone else.

as bella managed a show for the students in the school and invited students to watch that show

hence

students group will be the best group to survey to find this information