babygirl2156 babygirl2156

03-09-2020
Mathematics

contestada

Find the 7th term in the
sequence
-4, -8,-16,

Respuesta :

muhammadolim muhammadolim

15-09-2020

Answer:

-256

Step-by-step explanation:

Given:

a₁ = -4 (First term)

r = -8 ÷ -4 = 2 (Common ratio)

n = 7 (Number of term)

Find:

a₇ = ?

Formula:

aₙ = a₁ · rⁿ⁻¹

Solve:

a₇ = -4 · 2⁷⁻¹

a₇ = -4 · 2⁶

a₇ = -4 · 64

a₇ = -256

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