Please answer 4 and 5

4. There are 27 400 bacteria cells in a culture. The number of cells grows exponentially at a rate of 14% per day. How many cells will be in the culture 1 week later? @ 5. A new car costs $36 400. It loses 18% of its value each year after it is purchased. Use the exponential decay model P(n) - Po(1 - r)", to determine the value of the car after 36 months