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Mathematics 9 Online
OpenStudy (anonymous):

From the ten books that you’ve recently bought but not read, you plan to take four with you on vacation. How many different sets of four books can you take?

OpenStudy (anonymous):

: 10C4 = (10*9*8*7)/(1*2*3*4) = 210

OpenStudy (anonymous):

is my answer

OpenStudy (kropot72):

Good work. Your answer is correct.

OpenStudy (anonymous):

really oh wow

OpenStudy (kropot72):

You're welcome :)

OpenStudy (anonymous):

ty

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