Problem

Consider the sequence: 3, 6, 12, 24, 48, ___. What is the next term of the sequence?

Answer

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Answer

Substitute the values into the formula: \(a_n = 3 \times 2^{(6-1)}\)

Steps

Step 1 :The given sequence is a geometric sequence where each term is twice the previous term.

Step 2 :The rule for the nth term of a geometric sequence is given by \(a_n = a_1 \times r^{(n-1)}\), where \(a_1\) is the first term, \(r\) is the common ratio, and \(n\) is the term number.

Step 3 :In this sequence, \(a_1 = 3\) and \(r = 2\). We are looking for the 6th term, so \(n = 6\).

Step 4 :Substitute the values into the formula: \(a_n = 3 \times 2^{(6-1)}\)

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