### Home > CCA2 > Chapter Ch12 > Lesson 12.1.3 > Problem 12-58

12-58.

Solve the following equations. Be accurate to three decimal places. Be sure to check your answers.

Take the log of both sides.

Use the Power Property of Logarithms to rewrite the left side of the equation, then divide both sides of the equation by log (4.2).

Divide both sides by

. Take the fifth root of both sides to remove the radical.

You may use your calculator.

Solve the equation to isolate

. Now follow the steps in part (a).