Question

what is the cube root of 343?

Explanation:

Step1: Recall cube - root definition

The cube root of a number $x$ is a number $y$ such that $y^3=x$. We need to find $y$ where $y^3 = 343$.

Step2: List perfect - cube numbers

We know that $1^3=1$, $2^3 = 8$, $3^3=27$, $4^3 = 64$, $5^3=125$, $6^3 = 216$, $7^3=343$.

Answer:

7