Question

Find the 10th term of the following geometric sequence 2,8,32,128

Answer 1

I believe the correct answer is 2,097,152 because:

2x4= 8 (2)
8x4= 32 (3)
32x4= 128 (4)
128x4= 512 (5)
512x4= 2,048 (6)
2,048x4= 8,192 (7)
8,192x4= 32,768 (8)
131,072x4= 524,288 (9)
524,288x4= 2,097,152 (10)