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Mathematics 14 Online
OpenStudy (anonymous):

Please help! Will fan and give medal! :) Btw, please don't just give me the answer I feel like I'm cheating when people do that. lol. Just help me by explaining how to solve this! Thank you! :) Which expression would you use to figure out the number of ways you can arrange the letters in the word 'equation'? a. 8! b. 8P4 c. 4P8 d. 4!

ganeshie8 (ganeshie8):

how many total letters u have in the word `equation` ?

OpenStudy (anonymous):

8

ganeshie8 (ganeshie8):

Yes, you can pick the first letter in `8` ways after that, u can pick the second letter in `7` ways ....

ganeshie8 (ganeshie8):

So, total arrangements = `8 x 7x.... `

ganeshie8 (ganeshie8):

which is same as `8!`

OpenStudy (anonymous):

Oh, makes sense. So the answer would be A?

ganeshie8 (ganeshie8):

A is right

OpenStudy (anonymous):

Okay thank you! :)

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