How many even four-digit numbers, all of the digits different, can be formed from the digits 0 to 8, if there must be a 4 inthe number?
Added by Muhammad Ahmed M.
Step 1
This means that the last digit of the number must be 0, 2, 4, 6, or 8. However, since we are dealing with a four-digit number, the first digit cannot be 0. So, we have 5 options for the last digit and 8 options for the first digit (1-8). Show more…
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