USAMO 1972 Problem 3
- Day 1
- Answer
digits, none of them 0 , are randomly (and independently) generated, find the probability that their product is divisible by 10 .
Dataset text NuminaMath olympiads. Quoted with source.
Show the answer
1-(8 / 9)^{n}-(2 / 9)^{n}+(4 / 9)^{n}
Solutions
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