Homework Help: Math

Posted by Nina on 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.

Math - Reiny, Thursday, January 24, 2013 at 4:24pm
2 hours = 2(60)(60) = 7200 seconds

number of tasks
= 7200(1000/(4.3x10^-2)
= 1.674 x 10^8

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