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y {}^(3) = 81
what is the number for "y"

y {}^(3) = 81 what is the number for "y"-example-1
User Miguel E
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1 Answer

4 votes
y =
3\sqrt[3]{3}

81 is the same as 3 x 3 x 3 x 3. Therefore we can take out three of the four 3s and leave one inside the cube root radical.
User Jinjinov
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