Discussion on Solving Exponential and Logarithmic Equations

Choose an even numbered problem from page 462 #32-90 in the textbook. Solve the equation and explain how you solved it by stating the rule or property of exponentials, logarithms or algebra that were used in each step. You may neatly hand write the response, make a digital copy and attach it to the discussion if you are having trouble using the equation editor supplied in the tool bar.

Problem #40 

3^x/7=.02