**Let a be a positive number such that a does not equal 1, let
n be a real number, and let u and v be positive real numbers.**

**Logarithmic Rule 3: .**

**Problem 1: ** Simplify

**Answer:** - 30.866

**Solution 1:** The expression can be written

rounded to 30.866

**Solution 2:** We can also simplify the expression first before we calculate it. can be written

rounded to - 30.866.

**Solution 3:** We have

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