log₁₀ met rekenmachien

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Bepaal x met ZRM

1. \(\log x = -1,9\)
2. \(\log x = 3,6\)
3. \(\log x = 0,38\)
4. \(\log x = 2,6\)
5. \(\log x = 0,11\)
6. \(\log x = -0,11\)
7. \(\log x = 0,28\)
8. \(\log x = -0,6\)
9. \(\log x = 3,7\)
10. \(\log x = -0,22\)
11. \(\log x = 1,3\)
12. \(\log x = 0,22\)

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Bepaal x met ZRM

Verbetersleutel

1. \(\log x = -1,9\\ \Leftrightarrow x = 10^{-1,9} \\ \Leftrightarrow x \approx 0,012589254117942\)
2. \(\log x = 3,6\\ \Leftrightarrow x = 10^{3,6} \\ \Leftrightarrow x \approx 3981,071705535\)
3. \(\log x = 0,38\\ \Leftrightarrow x = 10^{0,38} \\ \Leftrightarrow x \approx 2,3988329190195\)
4. \(\log x = 2,6\\ \Leftrightarrow x = 10^{2,6} \\ \Leftrightarrow x \approx 398,1071705535\)
5. \(\log x = 0,11\\ \Leftrightarrow x = 10^{0,11} \\ \Leftrightarrow x \approx 1,2882495516931\)
6. \(\log x = -0,11\\ \Leftrightarrow x = 10^{-0,11} \\ \Leftrightarrow x \approx 0,77624711662869\)
7. \(\log x = 0,28\\ \Leftrightarrow x = 10^{0,28} \\ \Leftrightarrow x \approx 1,9054607179632\)
8. \(\log x = -0,6\\ \Leftrightarrow x = 10^{-0,6} \\ \Leftrightarrow x \approx 0,25118864315096\)
9. \(\log x = 3,7\\ \Leftrightarrow x = 10^{3,7} \\ \Leftrightarrow x \approx 5011,8723362727\)
10. \(\log x = -0,22\\ \Leftrightarrow x = 10^{-0,22} \\ \Leftrightarrow x \approx 0,60255958607436\)
11. \(\log x = 1,3\\ \Leftrightarrow x = 10^{1,3} \\ \Leftrightarrow x \approx 19,952623149689\)
12. \(\log x = 0,22\\ \Leftrightarrow x = 10^{0,22} \\ \Leftrightarrow x \approx 1,6595869074376\)