log₁₀ met rekenmachien

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Bepaal x met ZRM

1. \(\log x = 3,4\)
2. \(\log x = -0,06\)
3. \(\log x = 0,35\)
4. \(\log x = -0,3\)
5. \(\log x = 2,5\)
6. \(\log x = 0,24\)
7. \(\log x = 1,9\)
8. \(\log x = -2,1\)
9. \(\log x = 0,31\)
10. \(\log x = -0,27\)
11. \(\log x = 0,5\)
12. \(\log x = 1,7\)

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Bepaal x met ZRM

Verbetersleutel

1. \(\log x = 3,4\\ \Leftrightarrow x = 10^{3,4} \\ \Leftrightarrow x \approx 2511,8864315096\)
2. \(\log x = -0,06\\ \Leftrightarrow x = 10^{-0,06} \\ \Leftrightarrow x \approx 0,87096358995608\)
3. \(\log x = 0,35\\ \Leftrightarrow x = 10^{0,35} \\ \Leftrightarrow x \approx 2,2387211385683\)
4. \(\log x = -0,3\\ \Leftrightarrow x = 10^{-0,3} \\ \Leftrightarrow x \approx 0,50118723362727\)
5. \(\log x = 2,5\\ \Leftrightarrow x = 10^{2,5} \\ \Leftrightarrow x \approx 316,22776601684\)
6. \(\log x = 0,24\\ \Leftrightarrow x = 10^{0,24} \\ \Leftrightarrow x \approx 1,7378008287494\)
7. \(\log x = 1,9\\ \Leftrightarrow x = 10^{1,9} \\ \Leftrightarrow x \approx 79,432823472428\)
8. \(\log x = -2,1\\ \Leftrightarrow x = 10^{-2,1} \\ \Leftrightarrow x \approx 0,0079432823472428\)
9. \(\log x = 0,31\\ \Leftrightarrow x = 10^{0,31} \\ \Leftrightarrow x \approx 2,0417379446695\)
10. \(\log x = -0,27\\ \Leftrightarrow x = 10^{-0,27} \\ \Leftrightarrow x \approx 0,53703179637025\)
11. \(\log x = 0,5\\ \Leftrightarrow x = 10^{0,5} \\ \Leftrightarrow x \approx 3,1622776601684\)
12. \(\log x = 1,7\\ \Leftrightarrow x = 10^{1,7} \\ \Leftrightarrow x \approx 50,118723362727\)