anonymous
  • anonymous
Is there a closed form formula that yields the number of digits in a decimally-based number ? A special function ?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
3sec^4 x - 10sec^2 x - 8 = 0, what is sin x
anonymous
  • anonymous
Don't understand the question. I give u 4.35, u want a formula that predicts that there are 3 digits in 4.35..
anonymous
  • anonymous
If you want to know how many digits are in the integer x: \[\lfloor \ln(x)/\ln(10) \rfloor + 1\]

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anonymous
  • anonymous
Or of course, to compensate for negative values of x: \[\lfloor \ln(\left| x \right|)/\ln(10) \rfloor + 1\]
anonymous
  • anonymous
The only problem is it doesn't give an answer for x = 0.
anonymous
  • anonymous
Many thanks. (If this work for strictly positive integer, I'm OK)
anonymous
  • anonymous
Any time.

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