log₁₀ met rekenmachien

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Bepaal x met ZRM

1. \(\log x = 0{,}09\)
2. \(\log x = 0{,}7\)
3. \(\log x = -3{,}4\)
4. \(\log x = 3{,}4\)
5. \(\log x = 0{,}2\)
6. \(\log x = -0{,}34\)
7. \(\log x = -0{,}24\)
8. \(\log x = -0{,}26\)
9. \(\log x = -1{,}8\)
10. \(\log x = -0{,}1\)
11. \(\log x = 0{,}32\)
12. \(\log x = 0{,}18\)

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Bepaal x met ZRM

Verbetersleutel

1. \(\log x = 0{,}09\\ \Leftrightarrow x = 10^{0{,}09} \\ \Leftrightarrow x \approx 1{,}2302687708124\)
2. \(\log x = 0{,}7\\ \Leftrightarrow x = 10^{0{,}7} \\ \Leftrightarrow x \approx 5{,}0118723362727\)
3. \(\log x = -3{,}4\\ \Leftrightarrow x = 10^{-3{,}4} \\ \Leftrightarrow x \approx 0{,}0003981071705535\)
4. \(\log x = 3{,}4\\ \Leftrightarrow x = 10^{3{,}4} \\ \Leftrightarrow x \approx 2511{,}8864315096\)
5. \(\log x = 0{,}2\\ \Leftrightarrow x = 10^{0{,}2} \\ \Leftrightarrow x \approx 1{,}5848931924611\)
6. \(\log x = -0{,}34\\ \Leftrightarrow x = 10^{-0{,}34} \\ \Leftrightarrow x \approx 0{,}45708818961488\)
7. \(\log x = -0{,}24\\ \Leftrightarrow x = 10^{-0{,}24} \\ \Leftrightarrow x \approx 0{,}57543993733716\)
8. \(\log x = -0{,}26\\ \Leftrightarrow x = 10^{-0{,}26} \\ \Leftrightarrow x \approx 0{,}54954087385762\)
9. \(\log x = -1{,}8\\ \Leftrightarrow x = 10^{-1{,}8} \\ \Leftrightarrow x \approx 0{,}015848931924611\)
10. \(\log x = -0{,}1\\ \Leftrightarrow x = 10^{-0{,}1} \\ \Leftrightarrow x \approx 0{,}79432823472428\)
11. \(\log x = 0{,}32\\ \Leftrightarrow x = 10^{0{,}32} \\ \Leftrightarrow x \approx 2{,}089296130854\)
12. \(\log x = 0{,}18\\ \Leftrightarrow x = 10^{0{,}18} \\ \Leftrightarrow x \approx 1{,}5135612484362\)