An unordered display group
An unordered display group
3 marks
TGM Original
Nine distinct photographs are available. Four are selected for an exhibition, with no positions or roles assigned. Find the number of selections and explain why reordering the four selected photographs does not create another selection.
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.
Create a free account to practise similar questions.
Answer:\(126\) selections; reordering does not change membership.
Need help? Join our JC Math tuition classes.
Learn more