Question

If the sequence is geometric, what is its common ratio?512, 128, 32, 8,

Answer 1

Hint:
\[8=2^3\]
\[32=2^5\]
\[128=2^7\]

Answer 2

@destyboobear
How can we use that?

Answer 3

here's another hint:

\[\large r = \frac{a_2}{a_1}\]
that means second term divided by first term