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28-11-2016
Mathematics

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Use the order of operations to simplify the expression (2/7)^2 x (7/9)^2

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weirdbutnormal weirdbutnormal

28-11-2016

(2/7)^2 x (7/9)^2
((2^2)/(7^2)) x ((7^2)/(9^2))
(4/49) x (49/81)
*Cross multiply*
(4/81)

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