leejonaewhite13 leejonaewhite13

23-06-2022
Mathematics

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Find the sum of the first 7 terms of the following sequence 3,-5,25/3 Round to the nearest hundredth if necessary.

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Medunno13 Medunno13

24-06-2022

This is a geometric sequence with first term 3 and a common ratio of -5/3.

Using the sum of a geometric series formula,

[tex]\frac{3(1-(-5/3)^{7}}{1-(-5/3)} \approx \boxed{41.31}[/tex]

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