Math
posted by Nina .
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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