Editing One Problem Of Each Different Type Of Dimensional Analysis

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Answer the following problems using Dimensional Analysis including the steps stated in the notes (may need to write small). 
12in = 1 ft&nbsp;&nbsp;1 cm3 = 1 mL &nbsp;&nbsp;3 ft = 1 yd&nbsp;&nbsp;3.785L = 1 gal &nbsp;&nbsp;1 lb = 454g 
 
1. Principle Donovan wants to know how long the 2.1E3 inch lunch line is in yards (yd)? 
 
http://www.tmcleod.org/Level1/DAformat.png &nbsp;&nbsp;= _______________________&nbsp;&nbsp; =&nbsp; ___________________________&nbsp;&nbsp; 
 
 
 
2. Spongebob Squarepants goes on a diet and loses 2.75 L/s. How much is that in gal/hr? 
 
http://www.tmcleod.org/Level1/DAformat.png &nbsp;&nbsp;= _______________________&nbsp;&nbsp; =&nbsp; ___________________________&nbsp;&nbsp; 
 
 
 
3. The density of a substance is 0.571g/cm3. What is the volume ( in L ) if you have 4.2E9 mg of this substance? 
 
http://www.tmcleod.org/Level1/DAformat.png &nbsp;&nbsp;= _______________________&nbsp;&nbsp; =&nbsp; ___________________________&nbsp;&nbsp; 
 
 
Answers: 
1) 58yds&nbsp;&nbsp;&nbsp;2) 2.62E3 gals&nbsp;&nbsp;&nbsp;3) 7.4E3L

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