Respuesta :

muhammadolim

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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