Question 448474
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi,
geometric Sequence {28,14,7,3.5,...} r = 1/2
{{{a[n] = a[1]*r^(n-1)}}}
{{{a[8] = 28*(.5)^(7) = .21875 }}}