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Mathematics, 12.12.2019 02:31 Valentinavr

Agroup of 15 people need to form a line. the line will consist of exactly 10 of
the people. person a and person b have to be either fifth or sixth in line. how
many different orders are possible?

a 103,783,680

b 5,448,643,200

c 259,459.200

d 1,287

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Answers: 3

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