1. Assume you wish to end up with $5,000 in bank account after 4 years earning rate of 3.5% compounding monthly. How much would you have to initially invest?
2. Assume the population of beetles in the certain area is decreasing at the rate of 1.2% annually. If population today is 438,000, find the population after six years?
3. If you initially invest $1,200 into the account compounding continuously, how much money will you have after 7 years at the rate of 5.1%?