In two or more complete sentences, describe the difference between an infinite series and a finite series. part 2.] in two or more complete sentences, explain why the following sequence is an example of a finite series. 2 + 4 + 8 + 16 + 256 part 3.] in two or more complete sentences describe why the following series is an example of an infinite series. 1 + 2 + 3 + 4 + 5 + part 4.] the first picture part 5.] express the series in summation notation. 2 + 4 + 6 + 8 + 10 + 12 part 6.] suppose you start an annuity where you invest $2,000 at the beginning of each year and 4% interest is paid at the end of the year. what is the value of the annuity at the end of 5 years, rounded to the nearest dollar? it is $ part 7.] find the sum picture