Question

П••°°О••°М••°О••°Г••°И••°Т••°Е

Answer 1

(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)