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There are 12 students in a social studies class. three students will be selected to present their term projects today. in how many different orders can three students be selected? 1,320 220 504 36

2 Answers

3 votes

The correct answer is:


1320.


Step-by-step explanation:


This is a permutation of n objects taken r at a time.


In this case, n is 12 and r is 3.


The formula is:


image

User William Orazi
by
8.0k points
6 votes
As, If the order is important then we use permutation;

total no. of students= 12
selected students= 3

12P3= 12!/(12-3)!=1320

User KalenGi
by
8.2k points

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