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3241004551 [841]
3 years ago
5

12. Ms. Smith keeps eight different cookbooks on a shelf in one of her kitchen cabinets. How many ways can the eight cookbooks b

e arranged on the shelf?
Mathematics
1 answer:
Ghella [55]3 years ago
6 0

Answer:

The number of ways are 40320.

Step-by-step explanation:

Consider the provided information.

Ms. Smith keeps eight different cookbooks on a shelf in one of her kitchen cabinets.

We need to determine the number of different ways to put eight cookbooks on the shelf.

We need to select 8 cookbooks taking 8 at a time.

So use the permutation formula: ^{n}P_{n}

Substitute n=8 and simplify.

^8P_8=\frac{8!}{(8-8)!}\\8!=40320

Hence, the number of ways are 40320.

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Explanation:

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Answer:

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Step-by-step explanation:

Given

60 % wear neither ring nor a necklace

20 % wear a ring

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