The time t taken for an investment to increase by 10% when the interest rate is 8% is In 1.1 given by t = 0.08 Evaluate this expression by using the first four terms of the A appropriate series. t = (Do not round until the final answer. Then round to four decimal places as needed.)Use three terms of the expansion for v1 + x to calculate the value of 1/1.4096. 1.4096 = (Do not round until the final answer. Then round to four decimal places as needed.)