Questions asked by IDKwhatName

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Can someone help me with factorials and fractional powers?
What is $ϕ$ $phi$ , how was it discovered and are its uses?
Is there any simpler way of writing $\frac{1}{x + \frac{1}{(x + 1) + \frac{1}{(x + 2) + \frac{1}{(x + 3) + ⋱}}}}$ $1/(x+1/((x+1)+1/((x+2)+1/((x+3)+ddots$ , where $x=RR$ ?
How close does $sum_(n=1)^oo 1/(n!), n="integers"$ get to $e$ ?
Why are planetary orbits elliptical and why do bodies in a solar system orbit the center of mass and nit the star itself?
Why are stars generally several light years apart except in binary star system, etc.?
How do diodes work?
How do you calculate $root(n)(i), ninRR$ ?
What makes some metals magnetic, and why are there only a few metal elements attracted to magnets?
Why does sulphuric acid react differently depending on whether it is added to water or water is added to it?