Sarah is shopping for groceries at the local supermarket. she paid for her groceries using a $100 bill recently issued by the us government. what type of money did sarah use for this transaction? commodity money fiat money digital money representative money

It is not digital because that would something like applepay. It is also nt representative, since that would be something like food stamps. Commodity money is also a bad answer, since it is goods. You answer would be fiat money, which is paper tender issued by the government. Hope this helps.