1. Sam bought a car for 16,500. the value of the car depreciates at 15%. What will the value of the car be in 8 years, rounded to the nearest cent. 2. A town has a population of 10,000 and grows at 5% a year. What will be the population after 12 years? Round to the nearest whole number.

3. Issa put $2000 in an account with an interest rate of 3.25%. How much would be in the account after 20 years, rounded to the nearest cent?

4. An element with a mass of 460 grams decays at 8.5% per minute. How much of the element is left after 12 minutes? Round to the nearest 10th of a gram.