Question: A permutation of the elements is an ordered sequence of the elements. The number of permutations is calculated by equation 2-1. Let's say you want

A permutation of the elements is an ordered sequence of the elements. The number of permutations is calculated by equation 2-1. Let's say you want to climb the 6 highest mountains in Alaska. How many unique sequences of the 6 peaks are there?

While planning your trip, you realize you have sufficient funding to climb only 4 of the 6highest peaks.How many permutations (i.e.,unique ordered arrangements)are there now?

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