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posted by Nina Thursday, January 24, 2013 at 4:03pm.
A machine does 1000 tasks in 4.3 x 10^-2 seconds. How much task will be done in 2 hours? Leave answer in scientific notation.
2 hours = 2(60)(60) = 7200 seconds number of tasks = 7200(1000/(4.3x10^-2) = 1.674 x 10^8
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