A geometric sequence with a fifth term of 1/3 and a constant ratio of 1/3

Question

Jaden Melendez

Mathematics

12 April, 17:03

A geometric sequence with a fifth term of 1/3 and a constant ratio of 1/3

+3

Answers (1)

Know the Answer?

Cierra Rasmussen · Answer 1

We know that a 5 = 1/3 and r = 1/3

a 5 = a 1 * r^4

1/3 = a 1 * 1/3^4

1/3 = a 1 * 1/81

a 1 = 1/3 : 1/81 = 1/3 * 81 = 27

Answer:

Geometric sequence is: 27, 9, 3, 1, 1/3, 1/9, 1/27, ...