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5 May, 18:42

A girl wrote 7 tens Instead of 7 tenths by how much was her answer wrong?

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Answers (2)
  1. 5 May, 18:51
    0
    Her answer was wrong by a factor of 10².

    That means it was 100 times too large.
  2. 5 May, 19:04
    0
    Well, let's scope out the scale of the problem, take it step by step ...

    First, we need to know the range.:

    7 tens is essentially 7 times ten, or 70.

    7 tenths is 7/10, or. 7

    So, subtract. 7 from 70 to get the difference of 69.3, which is your answer.
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