AQuA-RAT train #93760 · Combinatorics · Permutations & combinations

How many different 4 letter combinations can be created from the letters…

How many different 4 letter combinations can be created from the letters M,N,O, and P?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #93760

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