A display case for the artifact is in the shape of a cube. Each side of the display case is three times longer than the width (w)of the artifact. Write a power that represents the volume of the case. Simplify your expression in part a.
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![A display case for the artifact is in the shape of a cube Each side of the display case is three times longer than the width wof the artifact Write a power that class=](https://us-static.z-dn.net/files/da3/d40a8de20ad54365db71353ea044794a.png)