daghlasameer daghlasameer
  • 09-09-2021
  • Mathematics
contestada


Write an explicit formula for An, the nth term of the sequence 75, -15, 3, ....

Respuesta :

lynnkc2000 lynnkc2000
  • 09-09-2021

Answer:

aₙ = 75 * (-1/5)ⁿ⁻¹

Step-by-step explanation:

75, -15, 3, ..

75, 75*(-0.2), 75*(-0.2)*(-0.2)

aₙ = a₁ * rⁿ⁻¹       a₁ = 75     r = - 1/5 (-0.2)

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