here2help221 here2help221

05-05-2024
Mathematics

Answered

A professor has 10 books and wishes to donate 6 of them. In how many ways can the professor choose a group of 6 books to donate

Answer :

olumideolawoyin olumideolawoyin

05-05-2024

Answer:

210 ways

Step-by-step explanation:

The professor can choose 6 books out 10 to donate in = 10C6 = 10! / 4!6!

= (10× 9 × 8 × 7 × 6!) / 4!6! = (10 × 9 × 8 × 7) / (4×3×2) = 10 × 3 × 7 = 210 ways

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