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Annie rappels down a cliff in 3 jumps of 6.5 feet each.  

Use a positive or negative number to express the change in her altitude. 



Answer :

SlowZasob
If Annie rappels down a cliff in 3 jumps of 6.5 feet each, then she changes her altitude by 3 * 6.5 = 19.5 feet. It can be expressed as a negative of -19.5 feet in relation to her previous altitude.

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