The actual thickness of a dime is between 1.35 and 1.40 mm.
The answer is 1,000,000,000,000,000 Meters.
Cut to the chase and go to the link below if you are not interested in the empirical approach explained here. These are measurements that I took with my shiny 2005 dime and my Mitutoyo micrometer....
Thickness: 1.35 mm (0.053 in)
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