3) A tree 3 ft tall grows 8% per year. How tall will the tree be at the end of year 14? Write your equation to solve. Then solve and round your answer to the nearest hundredth. 4) A scientist notes the bacteria count in a Petrie dish is 70. Two hours later, he notes that the count has increased to 110. If the rate of growth continues, how much more time will it take for the bacteria count to reach 210