log₁₀ met rekenmachien

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Bepaal x met ZRM

1. \(\log x = 0{,}33\)
2. \(\log x = 2{,}4\)
3. \(\log x = -2{,}6\)
4. \(\log x = 0{,}16\)
5. \(\log x = -0{,}22\)
6. \(\log x = 0{,}09\)
7. \(\log x = 2{,}3\)
8. \(\log x = -1{,}8\)
9. \(\log x = 3{,}1\)
10. \(\log x = 3{,}4\)
11. \(\log x = -3{,}4\)
12. \(\log x = -0{,}17\)

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Bepaal x met ZRM

Verbetersleutel

1. \(\log x = 0{,}33\\ \Leftrightarrow x = 10^{0{,}33} \\ \Leftrightarrow x \approx 2{,}1379620895022\)
2. \(\log x = 2{,}4\\ \Leftrightarrow x = 10^{2{,}4} \\ \Leftrightarrow x \approx 251{,}18864315096\)
3. \(\log x = -2{,}6\\ \Leftrightarrow x = 10^{-2{,}6} \\ \Leftrightarrow x \approx 0{,}0025118864315096\)
4. \(\log x = 0{,}16\\ \Leftrightarrow x = 10^{0{,}16} \\ \Leftrightarrow x \approx 1{,}4454397707459\)
5. \(\log x = -0{,}22\\ \Leftrightarrow x = 10^{-0{,}22} \\ \Leftrightarrow x \approx 0{,}60255958607436\)
6. \(\log x = 0{,}09\\ \Leftrightarrow x = 10^{0{,}09} \\ \Leftrightarrow x \approx 1{,}2302687708124\)
7. \(\log x = 2{,}3\\ \Leftrightarrow x = 10^{2{,}3} \\ \Leftrightarrow x \approx 199{,}52623149689\)
8. \(\log x = -1{,}8\\ \Leftrightarrow x = 10^{-1{,}8} \\ \Leftrightarrow x \approx 0{,}015848931924611\)
9. \(\log x = 3{,}1\\ \Leftrightarrow x = 10^{3{,}1} \\ \Leftrightarrow x \approx 1258{,}9254117942\)
10. \(\log x = 3{,}4\\ \Leftrightarrow x = 10^{3{,}4} \\ \Leftrightarrow x \approx 2511{,}8864315096\)
11. \(\log x = -3{,}4\\ \Leftrightarrow x = 10^{-3{,}4} \\ \Leftrightarrow x \approx 0{,}0003981071705535\)
12. \(\log x = -0{,}17\\ \Leftrightarrow x = 10^{-0{,}17} \\ \Leftrightarrow x \approx 0{,}67608297539198\)