Answers

  • Brainly User
2016-02-01T18:17:30+08:00
Solve for the 4th term, a₄:

n = 4       a₁  = 4        r (ratio) = -3

a₄ = a₁ (r ^{n-1})

a₄ =  4 (-3) ^{4-1}

a₄ = 4 (-3) ^{3}

a₄ = 4(-27)

a₄ = -108

The 4th term is -108.
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