Find an explicit formula for this sequence: 80, 20, 5, 1.25, ...
an = 80(4)n-1
an = 80 - 60n...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 23.10.2020 23:20, july00
Find an explicit formula for this sequence: 80, 20, 5, 1.25, ...
an = 80(4)n-1
an = 80 - 60n an = 80(0.25)n-1
an = 1.25 + 3.75n
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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