log₁₀ met rekenmachien

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Bepaal x met ZRM

1. \(\log x = 2,6\)
2. \(\log x = 1,6\)
3. \(\log x = -0,07\)
4. \(\log x = -0,3\)
5. \(\log x = 0,03\)
6. \(\log x = -0,21\)
7. \(\log x = 3,9\)
8. \(\log x = 2,9\)
9. \(\log x = 2,1\)
10. \(\log x = -0,36\)
11. \(\log x = 1,7\)
12. \(\log x = 0,7\)

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Bepaal x met ZRM

Verbetersleutel

1. \(\log x = 2,6\\ \Leftrightarrow x = 10^{2,6} \\ \Leftrightarrow x \approx 398,1071705535\)
2. \(\log x = 1,6\\ \Leftrightarrow x = 10^{1,6} \\ \Leftrightarrow x \approx 39,81071705535\)
3. \(\log x = -0,07\\ \Leftrightarrow x = 10^{-0,07} \\ \Leftrightarrow x \approx 0,85113803820238\)
4. \(\log x = -0,3\\ \Leftrightarrow x = 10^{-0,3} \\ \Leftrightarrow x \approx 0,50118723362727\)
5. \(\log x = 0,03\\ \Leftrightarrow x = 10^{0,03} \\ \Leftrightarrow x \approx 1,0715193052376\)
6. \(\log x = -0,21\\ \Leftrightarrow x = 10^{-0,21} \\ \Leftrightarrow x \approx 0,61659500186148\)
7. \(\log x = 3,9\\ \Leftrightarrow x = 10^{3,9} \\ \Leftrightarrow x \approx 7943,2823472428\)
8. \(\log x = 2,9\\ \Leftrightarrow x = 10^{2,9} \\ \Leftrightarrow x \approx 794,32823472428\)
9. \(\log x = 2,1\\ \Leftrightarrow x = 10^{2,1} \\ \Leftrightarrow x \approx 125,89254117942\)
10. \(\log x = -0,36\\ \Leftrightarrow x = 10^{-0,36} \\ \Leftrightarrow x \approx 0,43651583224017\)
11. \(\log x = 1,7\\ \Leftrightarrow x = 10^{1,7} \\ \Leftrightarrow x \approx 50,118723362727\)
12. \(\log x = 0,7\\ \Leftrightarrow x = 10^{0,7} \\ \Leftrightarrow x \approx 5,0118723362727\)