log₁₀ met rekenmachien

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Bepaal x met ZRM

1. \(\log x = -1{,}6\)
2. \(\log x = 0{,}27\)
3. \(\log x = 0{,}11\)
4. \(\log x = -0{,}17\)
5. \(\log x = -0{,}23\)
6. \(\log x = 2{,}5\)
7. \(\log x = -0{,}32\)
8. \(\log x = -0{,}12\)
9. \(\log x = 1{,}7\)
10. \(\log x = -0{,}03\)
11. \(\log x = 3{,}6\)
12. \(\log x = 0{,}25\)

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Bepaal x met ZRM

Verbetersleutel

1. \(\log x = -1{,}6\\ \Leftrightarrow x = 10^{-1{,}6} \\ \Leftrightarrow x \approx 0{,}025118864315096\)
2. \(\log x = 0{,}27\\ \Leftrightarrow x = 10^{0{,}27} \\ \Leftrightarrow x \approx 1{,}8620871366629\)
3. \(\log x = 0{,}11\\ \Leftrightarrow x = 10^{0{,}11} \\ \Leftrightarrow x \approx 1{,}2882495516931\)
4. \(\log x = -0{,}17\\ \Leftrightarrow x = 10^{-0{,}17} \\ \Leftrightarrow x \approx 0{,}67608297539198\)
5. \(\log x = -0{,}23\\ \Leftrightarrow x = 10^{-0{,}23} \\ \Leftrightarrow x \approx 0{,}58884365535559\)
6. \(\log x = 2{,}5\\ \Leftrightarrow x = 10^{2{,}5} \\ \Leftrightarrow x \approx 316{,}22776601684\)
7. \(\log x = -0{,}32\\ \Leftrightarrow x = 10^{-0{,}32} \\ \Leftrightarrow x \approx 0{,}47863009232264\)
8. \(\log x = -0{,}12\\ \Leftrightarrow x = 10^{-0{,}12} \\ \Leftrightarrow x \approx 0{,}75857757502918\)
9. \(\log x = 1{,}7\\ \Leftrightarrow x = 10^{1{,}7} \\ \Leftrightarrow x \approx 50{,}118723362727\)
10. \(\log x = -0{,}03\\ \Leftrightarrow x = 10^{-0{,}03} \\ \Leftrightarrow x \approx 0{,}93325430079699\)
11. \(\log x = 3{,}6\\ \Leftrightarrow x = 10^{3{,}6} \\ \Leftrightarrow x \approx 3981{,}071705535\)
12. \(\log x = 0{,}25\\ \Leftrightarrow x = 10^{0{,}25} \\ \Leftrightarrow x \approx 1{,}7782794100389\)