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by mdpopescu 4083 days ago
Huh? The dollar would still be worth 100 pennies, it's just that you could also use micropennies (worth 10^-6 pennies) to pay for stuff. The ratio doesn't change, the total amount of dollars / pennies / micropennies doesn't change; micropennies are a convenience that allows us to write "5 up" instead of "0.000005 p".