log₁₀ met rekenmachien

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Bepaal x met ZRM

1. \(\log x = -0,2\)
2. \(\log x = 0,12\)
3. \(\log x = 0,23\)
4. \(\log x = 0,19\)
5. \(\log x = -0,34\)
6. \(\log x = -2,6\)
7. \(\log x = 2,6\)
8. \(\log x = -3,1\)
9. \(\log x = 0,4\)
10. \(\log x = 3,5\)
11. \(\log x = 0,7\)
12. \(\log x = -0,18\)

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Bepaal x met ZRM

Verbetersleutel

1. \(\log x = -0,2\\ \Leftrightarrow x = 10^{-0,2} \\ \Leftrightarrow x \approx 0,63095734448019\)
2. \(\log x = 0,12\\ \Leftrightarrow x = 10^{0,12} \\ \Leftrightarrow x \approx 1,3182567385564\)
3. \(\log x = 0,23\\ \Leftrightarrow x = 10^{0,23} \\ \Leftrightarrow x \approx 1,6982436524617\)
4. \(\log x = 0,19\\ \Leftrightarrow x = 10^{0,19} \\ \Leftrightarrow x \approx 1,5488166189125\)
5. \(\log x = -0,34\\ \Leftrightarrow x = 10^{-0,34} \\ \Leftrightarrow x \approx 0,45708818961488\)
6. \(\log x = -2,6\\ \Leftrightarrow x = 10^{-2,6} \\ \Leftrightarrow x \approx 0,0025118864315096\)
7. \(\log x = 2,6\\ \Leftrightarrow x = 10^{2,6} \\ \Leftrightarrow x \approx 398,1071705535\)
8. \(\log x = -3,1\\ \Leftrightarrow x = 10^{-3,1} \\ \Leftrightarrow x \approx 0,00079432823472428\)
9. \(\log x = 0,4\\ \Leftrightarrow x = 10^{0,4} \\ \Leftrightarrow x \approx 2,5118864315096\)
10. \(\log x = 3,5\\ \Leftrightarrow x = 10^{3,5} \\ \Leftrightarrow x \approx 3162,2776601684\)
11. \(\log x = 0,7\\ \Leftrightarrow x = 10^{0,7} \\ \Leftrightarrow x \approx 5,0118723362727\)
12. \(\log x = -0,18\\ \Leftrightarrow x = 10^{-0,18} \\ \Leftrightarrow x \approx 0,6606934480076\)