Possible combinations of number to win
http://www.chacha.com/question/howmanypossiblec...

To win the jackpot there are 5,006,386 combinations for the five numbers x 35 powerball choices, so there are 175,223,510 combinations for picking the jackpot combination.
http://wiki.answers.com/Q/How_many_number_combinat...

146,107,962. Pick 5 out of 55 numbers, then 1 out of 42 possible power ball numbers: 55c5 = (55!/(50!5! = 3,478,761. 3,478,761 * 42 = 146,107,962. Source(s) http://www.palottery.state.pa.us
http://answers.yahoo.com/question/index?qid=200802...

1. Determine the amount of numbers you could end up with on each side of the domino and call this N. Since each square can have from zero to six dots, there are seven possible combinations
http://www.ehow.com/how_5992939_calculatepossible...
