If men were digging 2,000 feet below ground. What is 2,000+ from level ground. This would be one example. 2,000 + -2,000 = 0 (ground level).
Answer:
A hot-air balloon ascends 2000 ft from the ground and then descends 2000 ft.
Explanation:
the additive inverses are basically opposite numbers. when you add a number to its additive inverse, it equals 0. example: -5 and 5...and 2 and -2.
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