Find the first, fourth, and eighth terms of the sequence. a (n) = -2 x 2^n-1

Question

Mathematics

Daniel Vazquez

3 October, 19:44

Find the first, fourth, and eighth terms of the sequence. a (n) = -2 x 2^n-1

+3

Answers (1)

Know the Answer?

Madilyn Stanley · Answer 1

2, 16 and 256.

Step-by-step explanation:

Just substitute for n:-

first term (when n = 1) = 2 * 2^ (1-1)

= 2 * 1 = 2

4th term = 2 * 2^ (4-1) = 16

8th term = 2 * 2^ (8-1) = 256