## Algebra: A Combined Approach (4th Edition)

$343$ cubic meters
We are given that the formula $V=x^{3}$ can be used to find the volume $V$ of a cube with side length $x$. To find the volume of a cube with side length 7 meters, we can plug in 7 directly into the formula and evaluate. $V=(7)^{3}=7\times7\times7=343$ cubic meters