### Home > A2C > Chapter 8 > Lesson 8.1.2 > Problem8-29

8-29.

Mr. Keis wrote the following problem on the board and told his class, “No calculators please. Simplify. You have sixty seconds!

Time yourself and simplify the expression. Did you meet the challenge? Homework Help ✎

Remember the properties of exponents:

ab · ac = ab + c

$\frac{\textit{a}^{b}}{\textit{a}^{\textit{c}}}=\textit{a}^{\textit{b-c}}$

Focus on each base one at a time.

$\frac{1}{7}$