SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Find the indicated sum. 7 i! 1) 2 (i-1)! i =4 Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence. 2) an = an-1 - 4, a1 = 32 2) Find the indicated sum. oil svlo 3) Find 1 + 3+5+7+ ..., the sum of the first 60 positive odd integers. 3) Use the formula for the sum of the first n terms of a geometric sequence to solve. 4) Find the sum of the first 13 terms of the geometric sequence: 2, 4, 8, 16, 32, .... 4) Find the term indicated in the expansion. 5) (5x + 2)5; 5th term 5) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the