Question 771026
{{{T[n]=ar^(n-1)}}}
{{{r=-4/16}}}
{{{r=-1/4}}}
{{{T[5]=16(1/4)^(5-1)}}}
{{{T[5]=16(1/4)^4}}}
{{{T[5]=16(1/256)}}}
{{{T[5]=1/16}}}