Solution 3.3:1d
From Förberedande kurs i matematik 1
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- | Exactly as in exercise c, we write the left-hand side as | + | Exactly as in exercise c, we write the left-hand side as <math>10^{-x}</math>, and the right-hand side as <math>0\textrm{.}0001 = 10^{-4}</math>, i.e. <math>10^{-x} = 10^{-4}</math>, which gives <math>x=4\,</math>. |
- | <math> | + | |
- | <math> | + | |
- | <math> | + | |
- | <math>x=\ | + |
Current revision
Exactly as in exercise c, we write the left-hand side as \displaystyle 10^{-x}, and the right-hand side as \displaystyle 0\textrm{.}0001 = 10^{-4}, i.e. \displaystyle 10^{-x} = 10^{-4}, which gives \displaystyle x=4\,.