7
What is the missing number in this cyclic sequence?
It would require a notation convention not seen here
to fit into the scheme here.
$$\phantom{
\textrm{(repeat)} }
\quad\textbf{?}~~ \,,~~ 2.4 \,,~~ 1 \,,~~ 36.0
\,,~~ 1 \,,~~ 8 \,,~~ 1 \,,~~ 15 \,,~~ 2.4
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