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[" Illustration "10.19" Find the probabi...

[" Illustration "10.19" Find the probability that a randomly "],[" chosen three-digit number has exactly three factors."],[" Sol.A number has exactly "3" factors if the number is squares "],[" of a prime number.Squares of "11,13,17,19,23,29,31" are "],[" three-digit numbers.Therefore,"]

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