# log10 met rekenmachien

#### Bepaal x met ZRM

1. $$\log x = 2,1$$
2. $$\log x = 0,8$$
3. $$\log x = 1,8$$
4. $$\log x = 1,2$$
5. $$\log x = -0,36$$
6. $$\log x = 2,5$$
7. $$\log x = -0,05$$
8. $$\log x = -1,9$$
9. $$\log x = -0,37$$
10. $$\log x = 0,05$$
11. $$\log x = -0,3$$
12. $$\log x = -0,06$$

#### Bepaal x met ZRM

##### Verbetersleutel

1. $$\log x = 2,1\\ \Leftrightarrow x = 10^{2,1} \\ \Leftrightarrow x \approx 125,89254117942$$
2. $$\log x = 0,8\\ \Leftrightarrow x = 10^{0,8} \\ \Leftrightarrow x \approx 6,3095734448019$$
3. $$\log x = 1,8\\ \Leftrightarrow x = 10^{1,8} \\ \Leftrightarrow x \approx 63,095734448019$$
4. $$\log x = 1,2\\ \Leftrightarrow x = 10^{1,2} \\ \Leftrightarrow x \approx 15,848931924611$$
5. $$\log x = -0,36\\ \Leftrightarrow x = 10^{-0,36} \\ \Leftrightarrow x \approx 0,43651583224017$$
6. $$\log x = 2,5\\ \Leftrightarrow x = 10^{2,5} \\ \Leftrightarrow x \approx 316,22776601684$$
7. $$\log x = -0,05\\ \Leftrightarrow x = 10^{-0,05} \\ \Leftrightarrow x \approx 0,89125093813375$$
8. $$\log x = -1,9\\ \Leftrightarrow x = 10^{-1,9} \\ \Leftrightarrow x \approx 0,012589254117942$$
9. $$\log x = -0,37\\ \Leftrightarrow x = 10^{-0,37} \\ \Leftrightarrow x \approx 0,42657951880159$$
10. $$\log x = 0,05\\ \Leftrightarrow x = 10^{0,05} \\ \Leftrightarrow x \approx 1,122018454302$$
11. $$\log x = -0,3\\ \Leftrightarrow x = 10^{-0,3} \\ \Leftrightarrow x \approx 0,50118723362727$$
12. $$\log x = -0,06\\ \Leftrightarrow x = 10^{-0,06} \\ \Leftrightarrow x \approx 0,87096358995608$$
Oefeningengenerator vanhoeckes.be/wiskunde 2022-06-27 06:44:53