Question

What is the 5th term in the geometric sequence described by this explicit

formula?
a, = 50 • (-2)(n-1)
A. -1600
B.1600
C.800
D.-800
APEX

Answer 1

800)

Explanation:

Answer 2

C

Explanation:

Using the explicit formula, then

a₅ = 50 ×
`(-2)^(4)` = 50 × 16 = 800 → C