**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 4: ** Find the value of

**Answer:** - 93.723

**Solution :** There are many ways to work this problem. We have included a few of the ways.

**Solution 1:** You can find the value directly by writing

**Solution 2:** You can also find the value by simplifying the expression first and then calculating the value. can be written

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