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21 November, 07:59

When Tom simplified the expression

-2.6 + (-5.4), he got 2.8. What mistake did Tom

likely make?

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Answers (1)
  1. 21 November, 11:07
    0
    Tom probably added 5.4 to (-2.6), giving him 2.8. He should have added (-5.4) to (-2.6). When you add two negative numbers, the number will get smaller. For example, (-2) + (-2) = - 4.
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