Question 389439
  <pre><font size = 3 color = "indigo"><b>
Hi
for an arithmetic sequence, nth term is as follows:
{{{a[n]=a[1]+(n-1)*d}}}
 {{{a[1] = 10}}} d = -3
{{{a[15]= 10+(14)*-3}}}
{{{a[15]= highlight(-32)}}}