小弟在13版 OG上看到下面两道题,被难住了,OG的答案看不懂。 还请高手提点提点。分别用到了什么知识点?如何解? OG 13TH-5.3 PS/84th Leona bought a 1-year, $10,000 certificate of deposit that paid interest at an annual rate of 8 percent compounded semiannually. what was the total amount of interest paid on this certificate at maturity? answer:$816
OG 13TH-5.3 PS/100th On a scale that measures the intensity of a certain phenomenon, a reading of n+1 corresponds to an intensity that is 10 times the intensity corresponding to a reading of n. On that scale, the intensity corresponding to a reading of 8 is how many times as great as the intensity corresponding to a reading of 3?(这题就没读懂!真是上火!) Answer:10的5次方