Question

Given the sequence 4, 8, 16, 32, 64, ..., find the explicit formula. A. an=10(2n−1) B. an=5(2n−1) C. an=4(2n−1) D. an=20(2n−1)

Answer 1

Answer:

This is a geometric sequence. There is no answer according to the choices you have provided.

Step-by-step explanation:

The sequence is;

4, 8, 16, 32, 64, ....

The formula to find n^th , $T_{n}$ , term is:

$T_{n}$ = a × r , where a is the first term and r is the common ratio.