Home » What is the nth term of the progression 27, 9, 3,……?

What is the nth term of the progression 27, 9, 3,……?

What is the nth term of the progression 27, 9, 3,……?
  • A.
    27(frac{1}{3}) n – 1
  • B.
    3n + 2
  • C.
    27 + 18(n – 1)
  • D.
    27 + 6(n – 1)
Correct Answer: Option A
Explanation

Given 27, 9, 3,……this is a G.P
r = (frac{9}{27})
= (frac{1}{3})
T = arn – 1
= 27(frac{1}{3}) n – 1

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