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 October 22nd, 2016, 07:35 AM #1 Member   Joined: Sep 2016 From: zambia Posts: 31 Thanks: 0 Units and Dimensions Approximately how many raindrops fall on a 1-acre plot during a 1-in rainfall?
 October 22nd, 2016, 10:09 AM #2 Math Team     Joined: Jul 2011 From: Texas Posts: 3,002 Thanks: 1588 (1 acre of area in square inches)(1 inch) = volume of rain in cubic inches (volume of rain in cubic inches)/(average volume of a single raindrop in cubic inches) = number of raindrops Looks like you need to research square inches in an acre & average volume of a raindrop ...
 October 25th, 2016, 09:11 PM #3 Member     Joined: Oct 2016 From: labenon Posts: 33 Thanks: 4 I am not an expert. I hope this will help you. If there is any correction then please inform me, but according to my logic this is the answer of your really amazing question. There are 90,921 drops of water in one gallon, so multiplying all together. Roughly 1,580,088,782,700 drops of water will fall. Or about 1 1/2 trillion drops.
October 26th, 2016, 07:12 AM   #4
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Quote:
 Originally Posted by AshBox There are 90,921 drops of water in one gallon...
I would have first asked what the size of a drop is, but how on Earth did you get that number?

-Dan

 October 26th, 2016, 08:34 AM #5 Math Team   Joined: Dec 2013 From: Colombia Posts: 7,675 Thanks: 2654 Math Focus: Mainly analysis and algebra On the basis that raindrops observably come in differing sizes, I absolutely guarantee that the number is not correct - although it may be approximately correct. I would stick to 91,000 or 90,000 as an approximation in that case.
 November 13th, 2016, 09:43 PM #6 Global Moderator   Joined: Dec 2006 Posts: 20,931 Thanks: 2205 A Google search suggests that there are about 90921 drops of oil in a gallon of oil, which would make the figure far too high for drops of water.

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