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What is the answer to this question?

What is the answer to this question?-example-1
User Horace
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1 Answer

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Lets start by factoring the 216 into its smaller parts.

\sqrt[3]{2 * 2 * 2 * 3 * 3 * 3}
From here, we can separate the three 2s and the three 3s into two separate radicals.

\sqrt[3]{2*2*2} * \sqrt[3]{3*3*3}
Since we have three copies of the same number in each, the answer to the cube root is the number we have the copies of.

\sqrt[3]{2*2*2} * \sqrt[3]{3*3*3} = 2 * 3
Finally, we just need to multiply out what remains to find the solution.

2*3 = 6
So, the final answer is 6.
User YongsunCN
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