# SOLUTION: find the exact value of the indicated term of each sequence.( show the formula and work) 4,-12,36,-108,...find a15

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 Algebra: Sequences of numbers, series and how to sum them Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Sequences-and-series Question 605844: find the exact value of the indicated term of each sequence.( show the formula and work) 4,-12,36,-108,...find a15Answer by htmentor(789)   (Show Source): You can put this solution on YOUR website!find the exact value of the indicated term of each sequence.( show the formula and work) 4,-12,36,-108,...find a15 =============================== This is a geometric sequence with common ratio = -12/4 = -3 The nth term of a geometric sequence is a(n) = a*r^(n-1), where a = the 1st term So a(15) = 4*(-3)^14 = 19131876