How big is E?
How high is E?
A third over C.
The frequency of E is f = 82.41 Hz.
Eine Terz über C.
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If by "E", you mean "Euler's Number", then it starts: 2.718281828.............and goes on FOREVER !!. There is no end to it. It is called "irrational number".
\(Euler's\ number\ is\ \large \color{blue}e.\)
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