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19 December, 15:19

What is the sum of - 10+-2=? And the mean of 3,-10,-2,13,11

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  1. 19 December, 17:01
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    -10+-2=-12 and the mean is 3.

    To find mean you put the list from least to greatest, add up all of the numbers and divide that by how many numbers there are.
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