Solve the following problems. Show your solution. 1. The population of Barangay Siksikan is increasing at a rate proportional to its current population. In the year 2000, the population was 10,000. In...

Solve the following problems. Show your solution. 1. The population of Barangay Siksikan is increasing at a rate proportional to its current population. In the year 2000, the population was 10,000. In 2003, it became 15,000. What was its population in 2009? In approximately what year will its population be 100,000? 2. The half-life of radioactive substance refers to the amount of time it will take for the quantity to decay to half as much as it was originally. Substance Q has a half-life of 20 years. If in 2015, 100g of Q was at hand, how much will be at hand in 2055? How much will be at hand in 2060?