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How many n-digit natural numbers with all digits in {4, 5, 7, 8}are divisible by 3? This is n-digit, so the answer has a ratio
How many n-digit natural numbers with all digits in {4, 5, 7, 8}are divisible by 3? This is n-digit, so the answer has a ratio ton.
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An ndigit natural number is divisible by 3 if the sum of its digits is divisible by ...
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Introduction To Mathematical Statistics And Its Applications
Authors: Richard J. Larsen, Morris L. Marx
5th Edition
321693949, 978-0321694027, 321694023, 978-0321693945
