Solve the following problems.

1. Write $\ln(7)\approx1.95$ in exponential form.

   Answer (a):

   $e^{1.95}\approx7$

2. Express $e^{5} ≈ 148.41$ in logarithmic form.

   Hint (b):

   Reverse what was done in part (a).

3. Evaluate $\ln(e^3)$ without a calculator.

   Hint (c):

   The two functions are inverses.