Find the indicated term for each geometric sequence a1 = 76, a3 = 70, a11 =?

geometric-sequence

#1

Find the indicated term for each geometric sequence a1 = 76, a3 = 70, a11 = ?

Answer:

Given GP,

a3 = a1 * rr
70 = 76 rr
r
r = 35/38

a11 = a1 * r^10
a11 = 76 * (35/38)^5
a11 = 50.3774094352