High School

Find the cube root of 8125. Show how you can check that you found the cube root correctly.

Answer :

The cube root of 8125 is not a whole number. But if you were looking for the cube root of 8000, that would be 20, as 20 cubed (20 * 20 * 20) equals 8000.

The cube root of 8125 is 20. It is calculated by looking for a number that, when multiplied by itself twice (i.e., cubed), gives the original number. Here, if you cube 20 (20 * 20 * 20), you get 8000. When checking, keep in mind that due to rounding, the result might be slightly higher or lower than the original number. But, in this case, 20 cubed is exactly 8000, which proves that 20 is indeed the cube root of 8000 not 8125. So we can say that either the cube root of 8125 is not exactly an integer or the original number provided was incorrect.

Learn more about Cube Root here:

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