AQuA-RAT train #94375 · Combinatorics · Permutations & combinations

A "digital word" is defined as a four-letter combination of the digits…

A "digital word" is defined as a four-letter combination of the digits 1 and 0 only. How many "digital words" are there?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #94375

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