log₁₀ met rekenmachien

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Bepaal x met ZRM

1. \(\log x = 3,4\)
2. \(\log x = -0,1\)
3. \(\log x = 0,3\)
4. \(\log x = 0,39\)
5. \(\log x = 0,16\)
6. \(\log x = 1,5\)
7. \(\log x = 0,9\)
8. \(\log x = 0,29\)
9. \(\log x = 3,9\)
10. \(\log x = 0,36\)
11. \(\log x = -0,26\)
12. \(\log x = -3,9\)

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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. \(\log x = -0,1\\ \Leftrightarrow x = 10^{-0,1} \\ \Leftrightarrow x \approx 0,79432823472428\)
3. \(\log x = 0,3\\ \Leftrightarrow x = 10^{0,3} \\ \Leftrightarrow x \approx 1,9952623149689\)
4. \(\log x = 0,39\\ \Leftrightarrow x = 10^{0,39} \\ \Leftrightarrow x \approx 2,454708915685\)
5. \(\log x = 0,16\\ \Leftrightarrow x = 10^{0,16} \\ \Leftrightarrow x \approx 1,4454397707459\)
6. \(\log x = 1,5\\ \Leftrightarrow x = 10^{1,5} \\ \Leftrightarrow x \approx 31,622776601684\)
7. \(\log x = 0,9\\ \Leftrightarrow x = 10^{0,9} \\ \Leftrightarrow x \approx 7,9432823472428\)
8. \(\log x = 0,29\\ \Leftrightarrow x = 10^{0,29} \\ \Leftrightarrow x \approx 1,949844599758\)
9. \(\log x = 3,9\\ \Leftrightarrow x = 10^{3,9} \\ \Leftrightarrow x \approx 7943,2823472428\)
10. \(\log x = 0,36\\ \Leftrightarrow x = 10^{0,36} \\ \Leftrightarrow x \approx 2,2908676527678\)
11. \(\log x = -0,26\\ \Leftrightarrow x = 10^{-0,26} \\ \Leftrightarrow x \approx 0,54954087385762\)
12. \(\log x = -3,9\\ \Leftrightarrow x = 10^{-3,9} \\ \Leftrightarrow x \approx 0,00012589254117942\)