SOLUTION: find the seventh term in the geometric sequence 3/64,-3/16,3/4,-3 I have gotten through the first few steps but then when i put in my calculator i get a smaller number and the num

Algebra ->  Sequences-and-series -> SOLUTION: find the seventh term in the geometric sequence 3/64,-3/16,3/4,-3 I have gotten through the first few steps but then when i put in my calculator i get a smaller number and the num      Log On


   



Question 873094: find the seventh term in the geometric sequence 3/64,-3/16,3/4,-3
I have gotten through the first few steps but then when i put in my calculator i get a smaller number and the number should be larger.
An=a1r^n-1
A7=(3/64)x(-1/4)^7-1
but then i get =o.oooo114440918

Answer by stanbon(75887) About Me  (Show Source):