Avirus is spreading exponentially. the initial amount of people infected is 40 and it is increasing at a rate of 5% per day. how many people will be infected with the virus after 12 days? round to the nearest whole number enter your answer in the box.

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?