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GMAT
GMAT Quantitative Section

Finding the 6th Term of a Geometric Sequence

Medium Problem Solving Algebra

In a given sequence of numbers, each term after the first is obtained by multiplying the previous term by a constant value. If the first term is 3 and the common ratio is 2, what is the 6th term of the sequence?

The sequence can be defined by the formula:

$$a_n = a_1 imes r^{(n-1)}$$

where:

  • $$a_n$$ = the n-th term of the sequence
  • $$a_1$$ = the first term (which is 3)
  • $$r$$ = the common ratio (which is 2)
  • $$n$$ = the term number

Hint

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