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Mathematics 12 Online
OpenStudy (anonymous):

...A production manager measures the lifetimes of 10 toothbrushes. The lifetimes she measures are 570, 342, 460, 444, 390, 422, 502, 375, 493, and 450 hours. The manager puts her list of brush lifetimes in order, from the smallest number to the largest. What is the fifth number in her list?

OpenStudy (anonymous):

answerrr :444 :]

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