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Evaluate. Express your answer in exact simplest form.

Evaluate. Express your answer in exact simplest form.-example-1
User Patsy Issa
by
8.4k points

1 Answer

3 votes

Answer:

6720

Explanation:

The writing 8P5 represents the number of permutations of 8 elements taken 5 at a time.

First Method :

8P5 = 8 × 7 × 6 × 5 × 4

= 6720

Second Method :


8P5=(8!)/(\left( 8-5\right)!)


=(8!)/( 3!)


=(8 * 7 * 6 * 5 * 4 * 3!)/( 3!)


= 8 * 7 * 6 * 5 * 4


= 6720

User PradeepKumbhar
by
8.8k points

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