Answer
(a) <
(b) >
(c) =
Work Step by Step
(a) 2/3 is 0.6666 repeating. This is less than 0.67. So: 2/3 < 0.67
(b) Any positive number is greater than any negative number, so: 2/3 > -0.67
(c) Absolute value symbols make both sides positive and equal: |0.67|=|-0.67|