Alexander is going to invest in an account paying an interest rate of 2.4% compounded continuously. How much would Alexander need to invest, to the nearest hundred dollars, for the value of the account to reach $710 in 19 years?

Among the most famous of all meteor showers are the perseids, which occur each year in early august. in some areas the frequency of visible perseids can be as high as 40 per hour. given that such sightings are poisson events, calculate the probability that an observer who has just seen a meteor will have to wait at least five minutes before seeing another.