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23-11-2020
Mathematics

contestada

1. Determine the number of combinations of the letters of the word EXAMINATION given that
four letters are taken at a time.
(5marks)

Respuesta :

RapidTrapJr2 RapidTrapJr2

26-11-2020

Answer:

210

Step-by-step explanation:

10 choose 4. 10 letters choose 4. Using the combination formula. C(n,r)

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