SOLUTION: Suppose a contest offers $1,000 to the person who can guess the winning four digit number. How many possibilities are there?

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Question 94050This question is from textbook
: Suppose a contest offers $1,000 to the person who can guess the winning four digit number. How many possibilities are there? This question is from textbook

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
1/10*1/10*1/10*1/10=1/10,000 CHANCES OF SELECTING THE 4 DIGITS ASSUMING ALL DIGITS CAN BE REPEATED.
1/10*1/9*1/8*1/7=5040 IF NUMBERS AREN'T REPEATED AND THE SEQUENCE IS CRITICAL.