Homework Help: Chemistry

Posted by Connie on Tuesday, August 30, 2011 at 1:01pm.

The average adult has about 9.0 pints of blood. If 20 drops of blood is = to 1 mL. How many drops of blood does the average human contain?

Is the answer 85,1400 drops or 85,000 drops or neither? Thanks!

Chemistry - DrBob222, Tuesday, August 30, 2011 at 6:10pm
I figured 85,171.7 drops which would round to 8.5E4 to two significant figures (limited by the two in the 9.0). I went to Google and typed in 9 U.S. pints to mL and hit the enter button. Saved a lot of work.

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