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Home > A2C > Chapter Ch7 > Lesson 7.2.2 > Problem 7-111

7-111.

Solve each of the following equations to the nearest .

  1.  

    Since you are solving for an exponent, take the log of each side: 

    Apply the Power Property:

    Divide both sides of the equation by :

    Add to both sides and use your calculator.
    Remember to round to the nearest .

  2.  

    Divide both sides of the equation by .
    See part (a).