Try another version of this question
Given the geometric sequence:
39,211,14713,...
Find an explicit formula for an:
an=
Find a8:
Find an explicit formula for an:
an=
Find a8:
Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question
39⋅(0.53846153846154n-1)
Box 2: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity
0.51185555508826