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11-04-2022
Mathematics

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How many 5-digit numbers contain at least one 3?

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Аноним Аноним

11-04-2022

Answer:

37,512

Step-by-step explanation:

Total # of 5 -digit numbers =9×104=90,000

Total # of 5 -digit numbers that do not contain 3=8×94=52,488

Total # of 5 -digit numbers that contain at least one 3=90,000−52,488=37,512

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