Questions asked by IDKwhatName

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• Can someone help me with factorials and fractional powers?
  
• What is #phi#, how was it discovered and are its uses?
  
• Is there any simpler way of writing #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?