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Two different 2-digit numbers are randomly chosen and multiplied together. What is the probability that the resulting product is a multiple of 3?

 Oct 7, 2021
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90 C 2 ==4005 ways of picking 2 numbers out of 90

 

Of the 4005, there are 2,235 products that are divisible by 3.

 

Therefore, the probability is ==2235 / 4005==149 / 267

 Oct 7, 2021

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