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23 November, 10:06

What is 100•78 it's for a math test and I have no idea

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  1. 23 November, 11:52
    0
    7,800 is the number you are looking for
  2. 23 November, 12:27
    0
    7800. A good way to figure this out is just adding the zeros to the end. When multiplying things by ten just add one zero to the end, when multiplying by one hundred add two zeros, one thousand, three zeros and so on.
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