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Rita is adding 3 + (-8) + 1. She rewrites the expression as 3 + (-1) + 8. What is Rita's error?She used the commutative property, which cannot be used with negative numbers.In the new expression, -8 and 1 should both be negative.She used the associative property which should only be used with positive numbers..She switched the negative signs for -8 and 1.

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