### Exponential and Logarithmic Equations.

Solve each exponential equation. Express the solution set in terms of natural logarithms. Then use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution. 24. 10^x = 8.07 26. e^x = 0.83 28. 19^x = 143 30. 9e^x = 107 32. 4e^7x = 10,273 34. e^(1-8x) = 7957 36.