Question

1 + 2 + 4 + 8..., n= 7
evaluate the geometric series

Answer 1

The ratio is 2

Explanation:

The last value should be 64.

1 * 2 = 2

2 * 2 = 4

4 * 2 = 8

8 * 2 = 16

16 * 2 = 32

32 * 2 = 64