In Try This 2 you may have noticed that the logarithm is equal to the exponent from the exponential form. The relationship between the logarithmic and exponential forms are summarized in the illustration shown.
View Evaluating Logarithms for more examples of how to evaluate logarithms. Compare this method of evaluation with your table from Try This 2.
Here is another explanation of logarithms: “Introduction to Logarithms.” However, if you feel confident with logarithms, skip the video and move on to Self-Check 1.