log10 met rekenmachien

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Bepaal x met ZRM

  1. \(\log x = 2,1\)
  2. \(\log x = 0,8\)
  3. \(\log x = 1,8\)
  4. \(\log x = 1,2\)
  5. \(\log x = -0,36\)
  6. \(\log x = 2,5\)
  7. \(\log x = -0,05\)
  8. \(\log x = -1,9\)
  9. \(\log x = -0,37\)
  10. \(\log x = 0,05\)
  11. \(\log x = -0,3\)
  12. \(\log x = -0,06\)

Bepaal x met ZRM

Verbetersleutel

  1. \(\log x = 2,1\\ \Leftrightarrow x = 10^{2,1} \\ \Leftrightarrow x \approx 125,89254117942\)
  2. \(\log x = 0,8\\ \Leftrightarrow x = 10^{0,8} \\ \Leftrightarrow x \approx 6,3095734448019\)
  3. \(\log x = 1,8\\ \Leftrightarrow x = 10^{1,8} \\ \Leftrightarrow x \approx 63,095734448019\)
  4. \(\log x = 1,2\\ \Leftrightarrow x = 10^{1,2} \\ \Leftrightarrow x \approx 15,848931924611\)
  5. \(\log x = -0,36\\ \Leftrightarrow x = 10^{-0,36} \\ \Leftrightarrow x \approx 0,43651583224017\)
  6. \(\log x = 2,5\\ \Leftrightarrow x = 10^{2,5} \\ \Leftrightarrow x \approx 316,22776601684\)
  7. \(\log x = -0,05\\ \Leftrightarrow x = 10^{-0,05} \\ \Leftrightarrow x \approx 0,89125093813375\)
  8. \(\log x = -1,9\\ \Leftrightarrow x = 10^{-1,9} \\ \Leftrightarrow x \approx 0,012589254117942\)
  9. \(\log x = -0,37\\ \Leftrightarrow x = 10^{-0,37} \\ \Leftrightarrow x \approx 0,42657951880159\)
  10. \(\log x = 0,05\\ \Leftrightarrow x = 10^{0,05} \\ \Leftrightarrow x \approx 1,122018454302\)
  11. \(\log x = -0,3\\ \Leftrightarrow x = 10^{-0,3} \\ \Leftrightarrow x \approx 0,50118723362727\)
  12. \(\log x = -0,06\\ \Leftrightarrow x = 10^{-0,06} \\ \Leftrightarrow x \approx 0,87096358995608\)
Oefeningengenerator vanhoeckes.be/wiskunde 2022-06-27 06:44:53