cobsonliveTinadis cobsonliveTinadis

06-02-2017
Mathematics

contestada

how many diferrent 9-letter words (real or imaginary) can be formed from the letters in the word ECONOMICS?
the ans. must be 90,720

Respuesta :

GabeSotero GabeSotero

06-02-2017

Permutation with repeated elements (O, twice and C, twice).

10! / 2!2! = 10! / 2 x 2 = 3628800 / 4 = 907200

Answer Link

hannahallen1234 hannahallen1234

07-01-2021

Answer:

90,720

Step-by-step explanation:

Answer Link

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