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How many 3 digit numbers can be made using the digits in the list (1,2,3,3,3,9)?

 Oct 5, 2021
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How many 3 digit numbers can be made using the digits in the list (1,2,3,3,3,9)?

 

333    one number

33(not3)   3*3=9 numbers

one or no threes  4P3 = 24 numbers

 

so that is    1+9+24 = 34 numbers

 Oct 5, 2021

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