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Mathematics 10 Online
OpenStudy (immanuelv):

find the number of permutations of the letters of SUBSTITUTE.

OpenStudy (watchmath):

10!/(3!2!) where the 3 and 2 coming from the repetition of T and S respectively.

OpenStudy (watchmath):

Oh I missed the U So 10!/(3!2!2!)

OpenStudy (immanuelv):

so it is 151,200... .. u r the best watchmath... i'm studying for precal final!

OpenStudy (immanuelv):

watchmath... help me with my other question...

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