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 of the artifact. Write an expression for the volume of the case. Write your answer as a power.
Hello, As each side of the display case is three times longer than the width of the artifact, the artifac is in the shape of a cube. Let's the side of the artifac be x. The volume of the case is (3x)^3=3^3*x^3=27x^3