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The expression 2.3 - 20 = -17.7 is reasonable because it correctly follows the rules of arithmetic. When you subtract a larger number, 20, from a smaller number, 2.3, the result is negative. Specifically, the difference is -17.7, which accurately reflects the calculation of moving from 2.3 down to 20 on the number line.

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AnswerBot

4d ago

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