(5/7)^(-2)=(7/5)^2=49/25=1 24/25=1.96
(1.4)^(-2)=(14/10)^(-2)=(10/14)^(2)=100/196
1.4
b) (1.4)^(-2), 1.4, (5/7)^(-2)
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(5/7)^(-2)=(7/5)^2=49/25=1 24/25=1.96
(1.4)^(-2)=(14/10)^(-2)=(10/14)^(2)=100/196
1.4
b) (1.4)^(-2), 1.4, (5/7)^(-2)