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OpenStudy (anonymous):
A whole number consists of the digits 2, 4, 6, 8, and 0. If each digit is used only once, how many whole numbers are possible?
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OpenStudy (anonymous):
helllpp
OpenStudy (anonymous):
There are 5 digits in 24680; think of them as 5 compartments. You can select 5 numbers for the 1st compartment, 4 numbers for the 2nd compartment, 3 numbers for the 3rd compartment, 2 numbers for the 4th compartment, and 1 number for the 5th compartment. So, the answer is 5*4*3*2*1 or 5! or 120
OpenStudy (raden):
do u have the choices :)
OpenStudy (raden):
the " 0 " can not be at first :)
OpenStudy (raden):
it is 4*4*3*2*1 = 96
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