log₁₀ met rekenmachien

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Bepaal x met ZRM

1. \(\log x = -0{,}4\)
2. \(\log x = -0{,}34\)
3. \(\log x = -2{,}2\)
4. \(\log x = 0{,}07\)
5. \(\log x = -0{,}32\)
6. \(\log x = 0{,}5\)
7. \(\log x = 0{,}16\)
8. \(\log x = 0{,}14\)
9. \(\log x = 2{,}2\)
10. \(\log x = 3{,}2\)
11. \(\log x = 0{,}39\)
12. \(\log x = -0{,}06\)

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Bepaal x met ZRM

Verbetersleutel

1. \(\log x = -0{,}4\\ \Leftrightarrow x = 10^{-0{,}4} \\ \Leftrightarrow x \approx 0{,}3981071705535\)
2. \(\log x = -0{,}34\\ \Leftrightarrow x = 10^{-0{,}34} \\ \Leftrightarrow x \approx 0{,}45708818961488\)
3. \(\log x = -2{,}2\\ \Leftrightarrow x = 10^{-2{,}2} \\ \Leftrightarrow x \approx 0{,}0063095734448019\)
4. \(\log x = 0{,}07\\ \Leftrightarrow x = 10^{0{,}07} \\ \Leftrightarrow x \approx 1{,}1748975549395\)
5. \(\log x = -0{,}32\\ \Leftrightarrow x = 10^{-0{,}32} \\ \Leftrightarrow x \approx 0{,}47863009232264\)
6. \(\log x = 0{,}5\\ \Leftrightarrow x = 10^{0{,}5} \\ \Leftrightarrow x \approx 3{,}1622776601684\)
7. \(\log x = 0{,}16\\ \Leftrightarrow x = 10^{0{,}16} \\ \Leftrightarrow x \approx 1{,}4454397707459\)
8. \(\log x = 0{,}14\\ \Leftrightarrow x = 10^{0{,}14} \\ \Leftrightarrow x \approx 1{,}3803842646029\)
9. \(\log x = 2{,}2\\ \Leftrightarrow x = 10^{2{,}2} \\ \Leftrightarrow x \approx 158{,}48931924611\)
10. \(\log x = 3{,}2\\ \Leftrightarrow x = 10^{3{,}2} \\ \Leftrightarrow x \approx 1584{,}8931924611\)
11. \(\log x = 0{,}39\\ \Leftrightarrow x = 10^{0{,}39} \\ \Leftrightarrow x \approx 2{,}454708915685\)
12. \(\log x = -0{,}06\\ \Leftrightarrow x = 10^{-0{,}06} \\ \Leftrightarrow x \approx 0{,}87096358995608\)