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Mathematics 17 Online
OpenStudy (anonymous):

how many different 7-place number plates are possible if the first 3 place are letters and the final 4 place are numbers?

OpenStudy (ahsome):

There are ten possibilites between numbers 0 and 9: \[0,1,2,3,4,5,6,7,8,9\] There are 26 possibilites between letter A and X \[A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z\]

OpenStudy (ahsome):

Now, the three are letters and the last four are numbers

OpenStudy (anonymous):

do i use combinations?

OpenStudy (ahsome):

Times the possibilities together

OpenStudy (ahsome):

Letter Possibility*Letter Possbilitu*Letter Posibility*Number Possibility*Number Possibilty*Number Possibility*Number Possibility

OpenStudy (cj49):

26C3x10C4

OpenStudy (ahsome):

26*26*26*10*10*10

OpenStudy (ahsome):

Missing one ten ^^

OpenStudy (anonymous):

haha...thk u:D

OpenStudy (ahsome):

175760000 Possibilities

OpenStudy (ahsome):

WOW, I always though 7 letters/numbers weren't going to enough. Never mind then ;)

OpenStudy (ahsome):

If you think either @Ahsome or @cj49, please show your support and click the "Best Response" button. Thanlks @qing5683 :D

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