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Mathematics 10 Online
OpenStudy (mathmathmath):

Marcos has been dealt 7 different cards. How many different ways can he play his cards if he is requires to play one card at a time?

OpenStudy (cas_fangirl_14):

All you have to do, since you have only one card to lay down at a time, times seven by seven and it equals forty nine, because you have seven cards and seven different ways to branch off each card.

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