please answer and make solution

Exercise 3: Solve Me Directions: Read and analyze the given problems below then answer what is being asked. Show your solution. 1. A population of Barangay starts with 500 individuals and it triples every 80 years. a. Give an exponential model for the situation. [2 points] b, What is the size of the population after 100 years? [3 points] 2. A bank offers P10,000 with an interest rate of 2% compounded annually for a certain fund. a. Write the exponential model to compute the future amount of the fund. [2 points] b. How much is the total savings after 5 years? [3 points] 3. Athena invested P50,000.00 at an annual rate of 6% compounded annually. a. Find the total amount in the account after 10 years if no withdrawals and no additional deposits are made. [5 points]