Question

(a) How many numbers can be formed by arranging the digits 1, 2, 2, 4, 6,...

(a) How many numbers can be formed by arranging the digits 1, 2, 2, 4, 6, 6, 6?

(b) How many numbers greater than 3,000,000 can be formed by arranging the digits 1, 2, 2, 4, 6, 6, 6?

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Answer #1

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