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OpenStudy (anonymous):
What is the sum of m + n when m = 4.5 and n = –9.2?
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OpenStudy (girlgoyleh.):
-4.7
OpenStudy (anonymous):
it is -4.7 because you change the addition to subtraction and u end up with -4.7 4.5 + -9.2= -4.7
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