2 Answers

Kensley · Answer 1 · 2021-07-14T01:07:02+0000

Answer:

210 ways

Explanation:

a combination of 3 different books from a collection of 7 can be picked by

⇒ 7 × 6 × 5 = 210

(pick the first book, then the second, then the third each time one is picked there are less books to chose from)

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