**Rule 1:To multiply identical bases, add the exponents.**

**Problem 1:** Find .

**Answer:**

**Solution:** When multiplying identical bases, simply add the exponents. In this case,

Recall that means that you multiply 5 by itself 3 times, and
means that you multiply 5 by itself 10 times. The overall results
is 5 times itself 13 times. An easier way to write the answer is to write it
as .

You can check your answer with your calculator. Calculate and calculate . If the answers are correct, then so are
you.

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