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Mathematics 15 Online
OpenStudy (anonymous):

I'm trying to build a 12-letter word with 4 X's, 4 Y's, and 4 Z's. In how many ways can I build a word if there are no X's in the first 4 letters, no Y's in the next 4 letters, and no Z's in the last 4 letters?

OpenStudy (anonymous):

how do you do this question

OpenStudy (anonymous):

please help

OpenStudy (anonymous):

so there is 8 possibilities for each letter in the word

OpenStudy (anonymous):

really?

OpenStudy (anonymous):

but how is there 2 possibilities for it

OpenStudy (anonymous):

since there is only 3 letters

OpenStudy (anonymous):

and one you can't use

OpenStudy (anonymous):

i mean there are 8 places for an x to be and there are 8 places for a y to be and there are 8 places for a z to be

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

then what do you do

OpenStudy (anonymous):

im not completely sure but i think you multiply the anount of possibilities together 8x8x8=512

OpenStudy (anonymous):

so the answer is 512 possibilities?

OpenStudy (anonymous):

i believe so

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

i tried it but its wrong

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