Lemma
MediumDigits
AQuA-RAT train #25312 · Number Theory · Digits

The standard model numbers of cell phones in a company are 1…

The standard model numbers of cell phones in a company are 1 letter followed by 6 digits. How many different model numbers are possible if letters and digits can be repeated?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #25312

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