TheChillKilo TheChillKilo

18-11-2016
Mathematics

contestada

Which is a perfect square?
A.72
B.81
C.90
D.99

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Lophile Lophile

18-11-2016

B. 81 because the square root of 81 is 9

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Midnightlover Midnightlover

18-11-2016

B:81. Because perfect squares have a perfect square root

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