log₁₀ met rekenmachien

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Bepaal x met ZRM

1. \(\log x = -0,34\)
2. \(\log x = -0,6\)
3. \(\log x = -0,16\)
4. \(\log x = -0,13\)
5. \(\log x = -1,4\)
6. \(\log x = 0,22\)
7. \(\log x = -0,4\)
8. \(\log x = -0,08\)
9. \(\log x = -3,9\)
10. \(\log x = -1,8\)
11. \(\log x = -0,3\)
12. \(\log x = -0,33\)

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Bepaal x met ZRM

Verbetersleutel

1. \(\log x = -0,34\\ \Leftrightarrow x = 10^{-0,34} \\ \Leftrightarrow x \approx 0,45708818961488\)
2. \(\log x = -0,6\\ \Leftrightarrow x = 10^{-0,6} \\ \Leftrightarrow x \approx 0,25118864315096\)
3. \(\log x = -0,16\\ \Leftrightarrow x = 10^{-0,16} \\ \Leftrightarrow x \approx 0,69183097091894\)
4. \(\log x = -0,13\\ \Leftrightarrow x = 10^{-0,13} \\ \Leftrightarrow x \approx 0,74131024130092\)
5. \(\log x = -1,4\\ \Leftrightarrow x = 10^{-1,4} \\ \Leftrightarrow x \approx 0,03981071705535\)
6. \(\log x = 0,22\\ \Leftrightarrow x = 10^{0,22} \\ \Leftrightarrow x \approx 1,6595869074376\)
7. \(\log x = -0,4\\ \Leftrightarrow x = 10^{-0,4} \\ \Leftrightarrow x \approx 0,3981071705535\)
8. \(\log x = -0,08\\ \Leftrightarrow x = 10^{-0,08} \\ \Leftrightarrow x \approx 0,83176377110267\)
9. \(\log x = -3,9\\ \Leftrightarrow x = 10^{-3,9} \\ \Leftrightarrow x \approx 0,00012589254117942\)
10. \(\log x = -1,8\\ \Leftrightarrow x = 10^{-1,8} \\ \Leftrightarrow x \approx 0,015848931924611\)
11. \(\log x = -0,3\\ \Leftrightarrow x = 10^{-0,3} \\ \Leftrightarrow x \approx 0,50118723362727\)
12. \(\log x = -0,33\\ \Leftrightarrow x = 10^{-0,33} \\ \Leftrightarrow x \approx 0,4677351412872\)