log₁₀ met rekenmachien

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Bepaal x met ZRM

1. \(\log x = -0,32\)
2. \(\log x = -0,21\)
3. \(\log x = 0,18\)
4. \(\log x = 3,5\)
5. \(\log x = 0,32\)
6. \(\log x = -0,18\)
7. \(\log x = -2,7\)
8. \(\log x = 1,6\)
9. \(\log x = -1,6\)
10. \(\log x = -0,07\)
11. \(\log x = -2,2\)
12. \(\log x = -2,9\)

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Bepaal x met ZRM

Verbetersleutel

1. \(\log x = -0,32\\ \Leftrightarrow x = 10^{-0,32} \\ \Leftrightarrow x \approx 0,47863009232264\)
2. \(\log x = -0,21\\ \Leftrightarrow x = 10^{-0,21} \\ \Leftrightarrow x \approx 0,61659500186148\)
3. \(\log x = 0,18\\ \Leftrightarrow x = 10^{0,18} \\ \Leftrightarrow x \approx 1,5135612484362\)
4. \(\log x = 3,5\\ \Leftrightarrow x = 10^{3,5} \\ \Leftrightarrow x \approx 3162,2776601684\)
5. \(\log x = 0,32\\ \Leftrightarrow x = 10^{0,32} \\ \Leftrightarrow x \approx 2,089296130854\)
6. \(\log x = -0,18\\ \Leftrightarrow x = 10^{-0,18} \\ \Leftrightarrow x \approx 0,6606934480076\)
7. \(\log x = -2,7\\ \Leftrightarrow x = 10^{-2,7} \\ \Leftrightarrow x \approx 0,0019952623149689\)
8. \(\log x = 1,6\\ \Leftrightarrow x = 10^{1,6} \\ \Leftrightarrow x \approx 39,81071705535\)
9. \(\log x = -1,6\\ \Leftrightarrow x = 10^{-1,6} \\ \Leftrightarrow x \approx 0,025118864315096\)
10. \(\log x = -0,07\\ \Leftrightarrow x = 10^{-0,07} \\ \Leftrightarrow x \approx 0,85113803820238\)
11. \(\log x = -2,2\\ \Leftrightarrow x = 10^{-2,2} \\ \Leftrightarrow x \approx 0,0063095734448019\)
12. \(\log x = -2,9\\ \Leftrightarrow x = 10^{-2,9} \\ \Leftrightarrow x \approx 0,0012589254117942\)