It is 529 i hope it helps
Answer:
I think that the answer would be C .
hope it was helpful :)
You need to give us a picture or more information to solve the problem, thanks :)
-1,-2,-4
an = a1 * r^(n - 1)
a1 = first term = -1
r = common ratio = 2
so the equation would be : an = -1 * 2^(n - 1)
Not too many steps to it...
43.42 / 2.6 = 16.7