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Algebra
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OpenStudy (anonymous):
PLEASE HELP!! The numbers 0 through 9 are written on index cards. Three of the cards are randomly selected to form a 3-digit code. How many different codes are possible?
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OpenStudy (anonymous):
There are 10 options for the first number, then only 9 remain, then only 8 so 10x9x8
OpenStudy (anonymous):
so its 720!! YAY!!!
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