In how many ways 4 books can be chosen from 8 different books and be arranged in 4 spaces on a bookshelf?
1 answer:
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Answer:
13k
Step-by-step explanation:
Given:
Finding the equivalent expression.
We know the rule of addition is that adding two positive integers will give positive result or sum.
Now, lets find the equivalent expression of .
∴
Hence, the required equivalent expression is 13k.
