AQuA-RAT train #8322 · Combinatorics · Permutations & combinations

Six consecutive traffic signals each show either red or green

Six consecutive traffic signals each show either red or green. How many different arrangements of the six signals are possible?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #8322

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