Students in a zoology class took a nal exam. They took equivalent forms of the exam at monthly intervals thereafter. After I nd myself I: months. the average score S(t). as a percentage. was found to be given by the following equation, where t2 0. Complete parts (a) through (e) below. Stt)=7413In(t+1).ostsao a) What was the average score when they initially took the test? The average score was 752%. (Round to one decimal place as needed.) b) What was the average score after 4 months? The average score after 4 months was 53.1 %. (Round to one decimal place as needed.) c) What was the average score after 24 months? The average score after 24 months was '. (Round to one decimal place as needed.)