Question: (a) A certain arithmetic sequence has a2=1 and a18=49. Find a10 (b) Find s10 given the geometric sequencewith a2=160 and r=5/2.

(a) A certain arithmetic sequence has a2=1 and a18=49. Find a10

(b) Find s10 given the geometric sequencewith a2=160 and r=5/2.

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