In an international food festival, Scott can try foods from Greece, Japan, and Korea. He can choose to try foods from some

Question

In an international food festival, Scott can try foods from Greece, Japan, and Korea. He can choose to try foods from some, none, or all of these countries. In the braces below, list all the possible sets of countries whose food Scott can try. 
Write each set in your list in roster form. If there is more than one set in your list, separate them with commas. If you need the empty set in your list, use the symbol Ø.

Kunduz · Accepted Answer

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