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Earn +20 ptsQ: What is 3 under root 81?
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The square root of the square root of 81 is?
The answer is 3 because... 3x3=9 9x9=81 AND 81/9=9 9/3=3
What factor of 162 has a fourth root?
81 as 162=2x81=2x34 fourth root of 81 is 3
What is the negative fourth root of 81?
It is -3.
What is the principle fourth root of 81?
It is: 3
What is 3 square root of -9 times 3 square root of -81 simplified?
9
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