Question

how many six-digit numbers contain exactly five different digits

Answer 1

Answer:

9*9*8*7*5*13 = 294840 .

Step-by-step explanation:

Solution is : There are 6 digits and 4 needs to be unique so either 2 digits can be same or 3 can be same

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Answer 2

Six digit numbers contain exactly five different digits are

Step-by-step explanation:

294840