log₁₀ met rekenmachien

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Bepaal x met ZRM

1. \(\log x = 0{,}33\)
2. \(\log x = -0{,}23\)
3. \(\log x = 1{,}1\)
4. \(\log x = 0{,}11\)
5. \(\log x = 0{,}26\)
6. \(\log x = 0{,}28\)
7. \(\log x = -3\)
8. \(\log x = -1{,}7\)
9. \(\log x = 0{,}09\)
10. \(\log x = -0{,}33\)
11. \(\log x = -0{,}06\)
12. \(\log x = 0{,}14\)

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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. \(\log x = -0{,}23\\ \Leftrightarrow x = 10^{-0{,}23} \\ \Leftrightarrow x \approx 0{,}58884365535559\)
3. \(\log x = 1{,}1\\ \Leftrightarrow x = 10^{1{,}1} \\ \Leftrightarrow x \approx 12{,}589254117942\)
4. \(\log x = 0{,}11\\ \Leftrightarrow x = 10^{0{,}11} \\ \Leftrightarrow x \approx 1{,}2882495516931\)
5. \(\log x = 0{,}26\\ \Leftrightarrow x = 10^{0{,}26} \\ \Leftrightarrow x \approx 1{,}81970085861\)
6. \(\log x = 0{,}28\\ \Leftrightarrow x = 10^{0{,}28} \\ \Leftrightarrow x \approx 1{,}9054607179632\)
7. \(\log x = -3\\ \Leftrightarrow x = 10^{-3} \\ \Leftrightarrow x =0.001\)
8. \(\log x = -1{,}7\\ \Leftrightarrow x = 10^{-1{,}7} \\ \Leftrightarrow x \approx 0{,}019952623149689\)
9. \(\log x = 0{,}09\\ \Leftrightarrow x = 10^{0{,}09} \\ \Leftrightarrow x \approx 1{,}2302687708124\)
10. \(\log x = -0{,}33\\ \Leftrightarrow x = 10^{-0{,}33} \\ \Leftrightarrow x \approx 0{,}4677351412872\)
11. \(\log x = -0{,}06\\ \Leftrightarrow x = 10^{-0{,}06} \\ \Leftrightarrow x \approx 0{,}87096358995608\)
12. \(\log x = 0{,}14\\ \Leftrightarrow x = 10^{0{,}14} \\ \Leftrightarrow x \approx 1{,}3803842646029\)