meowymeowylee
meowymeowylee meowymeowylee
  • 18-03-2018
  • Mathematics
contestada

500 = 12,375 * 0.7749^(n-1)

n = ?

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sqdancefan
sqdancefan sqdancefan
  • 20-03-2018
Divide by 12375 and take the logarithm.
.. 500/12375 = 0.7749^(n -1)
.. log(4/99) = (n -1)*log(0.7749)
.. n = 1 +log(4/99)/log(0.7749)
.. n ≈ 13.583
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