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Posted by on Sunday, September 29, 2013 at 11:53am.

A microbiologist measures the speed of a swimming bacterium. The bacterium covers a distance of 2.16 microns in 5.0 seconds. The biologist wished to compare the speed of the bacteria with other animals, but the speeds of other animals are listed in kilometers per hour. What is the speed of the bacterium in kilometers per hour? (1 micron = 1 x 10–6 m) Use scientific notation and express your answer to the correct number of significant figures.
You must show your work for full credit.

  • help!!!!!!!! Physics - , Sunday, September 29, 2013 at 12:33pm

    2.16µ/s * 1km/10^9µ * 3600s/hr = 7.776x10^-6 km/hr

  • help!!!!!!!! Physics - , Monday, September 14, 2015 at 3:51pm

    I am needing help with the same question I am having a hard time putting it in a way my teacher will take it she is very picky on her work.

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