Q. Find an explicit formula for the geometric sequence96,24,6,1.5,…. Note: the first term should be b(1).b(n)=
Identify Sequence Type: Identify the type of sequence.The sequence 96,24,6,1.5,extellipsis is a geometric sequence because each term is obtained by multiplying the previous term by a constant ratio r.
Determine First Term and Common Ratio: Determine the first term (b(1)) and the common ratio (r).The first term is b(1)=96.To find the common ratio, divide the second term by the first term: r=9624=0.25.
Write Explicit Formula: Write the explicit formula for the geometric sequence.The explicit formula for a geometric sequence is b(n)=b(1)⋅r(n−1).Substitute b(1)=96 and r=0.25 into the formula.b(n)=96⋅(0.25)(n−1).
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