Assignment:
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.
Q1. 10^x = 8.07
Q2. e^x = 0.83
Q3. 19^x = 143
Q4. 9e^x = 107
Q5. 4e^7x = 10,273
Q6. e^(1-8x) = 7957
Q7. e^(4x-5) - 7 = 11,243
Q8. 5^(x-3) = 137
Q9. 3^(x/7) = 0.2
Q10. 7^(2x+1) = 3^(x+2)
Q11. e^2x - 2e^x - 3 = 0
Q12. e^4x - 3e^2x - 18 = 0
Q13. 2^2x + 2^x - 13 = 0
Provide complete and step by step solution for the question and show calculations and use formulas.