Posted by **epicmathfailure** on Friday, November 16, 2012 at 4:57pm.

The digits 2, 3, 4, 7, and 8 are each used once in a random order to form a five-digit number. What is the probability that the resulting number is divisible by 4? Express your answer as a common fraction.

- does anyone know probability???? -
**mathgeekdude**, Friday, November 16, 2012 at 5:04pm
use prob, last digit has to be either 2,4, or 8 to be divisible by 4, and the tens digit for 2 will be either 3 or 7. for 4, it has to be either 2 or 8, and for 8, it will be either 2 or 4. 3*2

- does anyone know probability???? -
**mathgeekdude**, Friday, November 16, 2012 at 5:05pm
=6, and arrange the rest of the digits appropriately...i think...

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