Gary buried a time capsule in his backyard so that the top of the capsule was 1.81.81, point, 8 meters underground. He covered the capsule with some dirt, and then he buried a sign labeled Dig Here 1.21.21, point, 2 meters directly above the capsule. The following equation describes this situation. \quad -1.8+ 1.2 = -0.6−1.8+1.2=−0.6minus, 1, point, 8, plus, 1, point, 2, equals, minus, 0, point, 6 What does -0.6−0.6minus, 0, point, 6 tell