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January 29th, 2012, 04:24 PM  #1 
Member Joined: Jul 2010 Posts: 52 Thanks: 0  Having trouble converting units/trouble understanding
So, here's the question 1 picogram = _____ g? In the table of SI prefixes, it says  pico  p  0.000 000 000 001  10^12 Gram is one, right? How do I solve this? So far, I came up with: 1 pg multiplied by (1g / ???? ) = g? In the end, you cancel out both pg and the pg in the denominator? God, sorry for the dumb question.... Thanks! 
January 29th, 2012, 04:45 PM  #2 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,597 Thanks: 1038  Re: Having trouble converting units/trouble understanding
1 trillion picograms = 1 gram (not very heavy!)

January 29th, 2012, 05:02 PM  #3  
Member Joined: Jul 2010 Posts: 52 Thanks: 0  Re: Having trouble converting units/trouble understanding Quote:
Unless I'm wrong, you mean that 1 picograms is equal to 1 trillion grams then, sir?  
January 30th, 2012, 02:26 AM  #4 
Senior Member Joined: Jul 2011 Posts: 245 Thanks: 0  Re: Having trouble converting units/trouble understanding This can also be deduced from what Denis said: Dividing through by , we see: 
February 5th, 2012, 01:00 PM  #5 
Member Joined: Jul 2010 Posts: 52 Thanks: 0  Re: Having trouble converting units/trouble understanding
Is there a formula for converting units for km to km, l to ml, kh to microgram, cm to km, etc.?


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