Magtanong at makakuha ng malinaw na mga sagot sa IDNStudy.com. Magtanong ng anumang bagay at makatanggap ng agarang tugon mula sa aming dedikadong komunidad ng mga eksperto.

3. In how many ways can the letters
in "MATH IS FUN" be arranged if the
first and the last letter must be
vowels?​


Sagot :

Answer:

Having chosen the first and last letters, you can arrange the remaining 7 letters in 7!= 5040 ways. So there are 6*5040=30240 possible arrangements of the nine letters of « MATH IS FUN » starting and ending with a vowel.