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

asked Feb 22, 2021 105k views

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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

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0 votes

Answer:

800)

Explanation:

Somejkuser answered Feb 23, 2021

5.8k points

4 votes

Answer:

Explanation:

Using the explicit formula, then

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

Hali answered Feb 26, 2021

by Hali

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