Posted by confused on Tuesday, October 5, 2010 at 8:08am.
(120 km/h)divided by 7s will give you the answer in units of km/(h.s)
I think it's the wrong answer because I plugged it in and it was still marked wrong.
I would use two significant figures and choose 17 km/h.s for the answer. If it isn't accepted, there is something wrong with test grading system
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