After moving to a smaller place, Payton realized that she has room only for 7 out of 8 pairs of shoes in her closet. If she decides to donate the extra pairs of shoes and keep only 7 pairs, how many different ways are there to select a collection of 7 out of 8 pairs of shoes?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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After moving to a smaller place, Payton realized that she has room only for 7 out of 8 pairs of shoes in her closet. If she decides to donate the extra pairs of shoes and keep only 7 pairs, how many different ways are there to select a collection of 7 out of 8 pairs of shoes?

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If there are n objects and the n objects are to be placed in m different places, then the number of possible ways is nPm if order is considered and nCm if order is not considered.

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