log₁₀ met rekenmachien

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Bepaal x met ZRM

1. \(\log x = 0,17\)
2. \(\log x = 3,7\)
3. \(\log x = -0,2\)
4. \(\log x = 0,28\)
5. \(\log x = -0,08\)
6. \(\log x = -0,8\)
7. \(\log x = 1\)
8. \(\log x = -2,3\)
9. \(\log x = 0,33\)
10. \(\log x = 0,32\)
11. \(\log x = 0,16\)
12. \(\log x = 3,6\)

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Bepaal x met ZRM

Verbetersleutel

1. \(\log x = 0,17\\ \Leftrightarrow x = 10^{0,17} \\ \Leftrightarrow x \approx 1,4791083881682\)
2. \(\log x = 3,7\\ \Leftrightarrow x = 10^{3,7} \\ \Leftrightarrow x \approx 5011,8723362727\)
3. \(\log x = -0,2\\ \Leftrightarrow x = 10^{-0,2} \\ \Leftrightarrow x \approx 0,63095734448019\)
4. \(\log x = 0,28\\ \Leftrightarrow x = 10^{0,28} \\ \Leftrightarrow x \approx 1,9054607179632\)
5. \(\log x = -0,08\\ \Leftrightarrow x = 10^{-0,08} \\ \Leftrightarrow x \approx 0,83176377110267\)
6. \(\log x = -0,8\\ \Leftrightarrow x = 10^{-0,8} \\ \Leftrightarrow x \approx 0,15848931924611\)
7. \(\log x = 1\\ \Leftrightarrow x = 10^{1} \\ \Leftrightarrow x =10\)
8. \(\log x = -2,3\\ \Leftrightarrow x = 10^{-2,3} \\ \Leftrightarrow x \approx 0,0050118723362727\)
9. \(\log x = 0,33\\ \Leftrightarrow x = 10^{0,33} \\ \Leftrightarrow x \approx 2,1379620895022\)
10. \(\log x = 0,32\\ \Leftrightarrow x = 10^{0,32} \\ \Leftrightarrow x \approx 2,089296130854\)
11. \(\log x = 0,16\\ \Leftrightarrow x = 10^{0,16} \\ \Leftrightarrow x \approx 1,4454397707459\)
12. \(\log x = 3,6\\ \Leftrightarrow x = 10^{3,6} \\ \Leftrightarrow x \approx 3981,071705535\)