How many different ID cards can be made if there are six digits on a card and no digit can be used more than once? What if digits can be repeated? There are different ID cards that can be made if no...

Extracted text: How many different ID cards can be made if there are six digits on a card and no digit can be used more than once? What if digits can be repeated? There are different ID cards that can be made if no digit can be used more than once. There are different ID cards that can be made if no digits can be repeated. MacBo Pro く ※ The Just 23 2$ % ) 4 6. 7 8 9 W R Y U S D F G H J K L