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20-09-2016
Mathematics

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what is the square root of 81? a. 18 b. 9 c. 8 d. 11

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xpsithurismx xpsithurismx

20-09-2016

The square root of 81 is b. 9

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20-09-2016

Every positive number has TWO square roots. The square roots of 81 are +9 and -9 .

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