Answer:
Step-by-step explanation:
It's geometric.
You are starting with -2 and multiplying each successive term by - 2
r = - 2
a1 = -2
tn = ar^(n - 1)
So to try it out, let n be the 4th term
t4 = -2 * (-2)^(4 - 1)
t4 = - 2 * (-2)^3
t4 = - 2 * -8
t4 = 16 just as the series indicated.
