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7-149.

Compute the value of each expression without using a calculator.

Compute without a calculator

  1. Use the Product Property of Logs: .

    Remember you are working in log base .

  1. Let the expression equal then convert to exponential form.

    Rewrite each side of the equation as a power of . The exponents are equal.

  1. Apply the Power Property of Logs to the first logarithm and simplify.

    Use the Product Property of Logs, as in part (a).

  1. Remember the property that