amyraa
Answered

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Below are the first several terms in a sequence. 0.4, 2, 10, 50, .. Part A Write a formula for the nth term of the sequence. Be sure to specify a starting value of n.​

Sagot :

mhanifa

Answer:

  • aₙ = 0.4*5ⁿ⁻¹

Step-by-step explanation:

Given sequence:

  • 0.4, 2, 10, 50, ...

The first term is:

  • a₁ = 0.4

The common ratio is:

  • r = 50/10 = 10/2 = 2/0.4 = 5

The formula for the nth term is:

  • aₙ = a₁rⁿ⁻¹
  • aₙ = 0.4*5ⁿ⁻¹
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