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mengzaiii
If a 20-sided fair die with sides distinctly numbered 1 through 20 is rolled, the probability that the answer is a perfect square can be expressed as ab where a and b are coprime positive integers. What is the value of a+b?
what are the perfect square numbers from 1 to 20 ? whats is the probability that a number can be a perfect square ? what is a coprime integers ? the answer of those question can be easily found , after u find the answers for those questions ur question will be solved!