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Extra Credit #1

# Extra Credit #1 - up 25 goes Down Up Down 25 ends down •...

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Michael Samuels Math 051 – Moses 9/11/06 Extra Credit 1 All of the cards will be facing up except for numbered cards that are perfect squares. The Cards facing down are 1,4,8,16,25,36,49,64,81,100 Perfect square numbers are flipped an odd amount of times. Thus it will end oppositely of how it started. (Since they started up, they will end down) For example, the number 25: Divisible by 1, 5, 25. Since the problem starts the cards
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Unformatted text preview: up, 25 goes Down Up Down. 25 ends down. • Non-Perfect square numbers are flipped an even amount of times. Thus it will end the same way it started. (They started up, now they are down) For example, the number 45: Divisible by 1,3,5,9,15,45. Since the problem starts the cards up, 45 goes Down Up Down Up Down Up. 45 ends up. • All Perfectly squared numbers are down, while the rest of the numbers are up....
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