the altitude of a plane is 1600ft. what must be the altitude of a submarine so that the sum of their altitudes is 0.
2 answers:
The submarine must be -1600 ft
Two numbers that add up to zero are called additive inverses or opposites.
You are looking for the additive inverse of 1600 ft.
It is -1600 ft.
Answer: -1600 ft
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