16 Jul
2011
16 Jul
'11
1:18 p.m.
"HB" == Henry Baker <hbaker1@pipeline.com> writes:
HB> Hmmm.... A trillion dollars in pennies must weigh quite a lot. (2.5g HB> * 10^12 = 2.5*10^9kg ~ 2.5*10^6 tons). (And, yes, even though the HB> penny is now mostly zinc, its metal value is still worth more than a HB> penny, thanks to the devaluation of the dollar!) You lost the 100 c/$ in there, yes? :; units You have: 2.5 g * 1e12 * 100 You want: megatonne * 250 You have: 2.5 g * 1e14 You want: megaton * 275.57783 / 0.003628739 (first metric tonnes, then short tons). According to http://www.metalprices.com/FreeSite/metals/zn/zn.asp 2.5 g of zinc is worth on the order of 0.584 US cents. -JimC -- James Cloos <cloos@jhcloos.com> OpenPGP: 1024D/ED7DAEA6