Question

Does someone mind helping me with this question? Thank you!

Answer 1

-256

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