A culture of bacteria has an initial population of 15000 bacteria and doubles every 3 hours. Using the formula P= Po. 2, where Pt is the population after t hours, P,
is the initial population, t is the time in hours and d is the doubling time, what is the
population of bacteria in the culture after 20 hours, to the nearest whole number?

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?

Me i'm timed right now! there's 4 answer