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Re: How many positive five-digit numbers can be formed with the
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31 May 2018, 07:09
We know that the digits of a 5 digit number can take values 0, 3 and 5. Each digit has 3 options.
However the first digit cannot be 0 so it has 2 options.
Total number of 5 digit numbers that satisfy our criterion = \(2 \times 3 \times 3 \times 3 \times 3=162\)