A ballroom dance couple has learned 13 different routines and needs to pick 9 of them to prepare for an upcoming local competition. How many different ways could they choose which dances to prepare?

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Varma asked Jan 4, 2023

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A ballroom dance couple has learned 13 different routines and needs to pick 9 of them to prepare for an upcoming local competition. How many different ways could they choose which dances to prepare?

Mathematics
college

Varma asked Jan 4, 2023

by Varma

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1 Answer

24 votes

Answer:

259459200

Explanation:

They have 13 choices for the first one, 12 for the second one, 11 for the third one, etc.

So, they have 13*12*11*10*9*8*7*6*5 = 259459200 ways.

Siba Prasad Hota answered Jan 8, 2023

by Siba Prasad Hota

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