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emmasim [6.3K]
3 years ago
9

In how many different ways can the letters of the word mathematics be arranged?

Mathematics
2 answers:
sammy [17]3 years ago
4 0

Treat the vowels like they are 1 block, as if they are one letter. But in this vowel block there are 4 vowels, 2 of which are the same. The number of ways of arranging these 4 vowels is then <span><span><span>4!</span><span>2!</span></span><span><span>4!</span><span>2!</span></span></span>.

Now, treating this block aa one letter, we have 7 consonants and 1 block, so there are 8 'letters' to arrange with two M's and two T's. So we have to divide out by 2! for each. So we get: <span><span><span>8!</span><span>2!2!</span></span><span><span>8!</span><span>2!2!</span></span></span>.

Finally we multiply this by the number of ways the vowels can be arranged to get:

<span><span><span>4!</span><span>2!</span></span><span><span>8!</span><span>2!2!</span></span></span>

qwelly [4]3 years ago
4 0
2 i believe would be the answer
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