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Mathematics 22 Online
OpenStudy (anonymous):

123

OpenStudy (anonymous):

Since we only have 5 terms, this won't be too bad to write out manually. The first term is 20, and each term is one fourth of the previous term. So I'll get you started: \[20 + \frac{ 20 }{ 4 } + \frac{ 20 }{ 16 } + ? + ?\]

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