The cubic root of 8 is the number that when you multiply by itself and then multiply again by it you get 8.
Look at 2.
2 * 2 * 2 = 8
2 is the cubic root of 8
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![\Large{\sqrt[3]{8}} = \Large{2}](https://img.qammunity.org/2019/formulas/mathematics/middle-school/tym2nzj7m74z5bw9h3x73br0p0v594c433.png)