
What cube root equals 678? In other words, what number would you take the cube root of to get 678? To solve this problem, we want to find x in the following equation:
∛x = 678
To solve the ∛x = 678 equation, we first raise both sides to the power of 3 to eliminate the cube root:
(∛x)³ = 678³
x = 678³
Then, we calculate 678³ to get the following answer:
678³ = 678 × 678 × 678
678³ = 311,665,752
∛311,665,752 = 678
We made the equation above so you will get a full understanding of how to solve problems like this. In the future, note that you can solve all similar problems by simply multiplying the number by itself twice to get the answer.
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