Question

1) Write nth term suggested by pattern. 1, 1/4, 1/16, 1/64, ... 2) Find first term...

1) Write nth term suggested by pattern.
1, 1/4, 1/16, 1/64, ...

2) Find first term (a1), the common difference (d), and give a recursive formula (an) for sequence.
8th term is 55; 15th term is 118

3) Find the nth term and the indicated term of arithmetic sequence whose initial term and common difference are given.
first term=6
common diff= -10
nth term?
13th term?

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