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https://math.answers.com/other-math/How_many_ways_can_a_person_select_8_videotapes_from_10_tapes

How many ways can a person select 8 videotapes from 10 tapes? - Answers

This is a combination question. You set it up as 10 P 8 10!/8!2! = 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 x 2 x 1 You then cross out any matching numbers in the numerator and the denominator. You are left with 10 x 9 on top and 2 x 1 on the bottom. This gives you 90/2 = 45 The answer is 45



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How many ways can a person select 8 videotapes from 10 tapes? - Answers

https://math.answers.com/other-math/How_many_ways_can_a_person_select_8_videotapes_from_10_tapes

This is a combination question. You set it up as 10 P 8 10!/8!2! = 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 x 2 x 1 You then cross out any matching numbers in the numerator and the denominator. You are left with 10 x 9 on top and 2 x 1 on the bottom. This gives you 90/2 = 45 The answer is 45



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https://math.answers.com/other-math/How_many_ways_can_a_person_select_8_videotapes_from_10_tapes

How many ways can a person select 8 videotapes from 10 tapes? - Answers

This is a combination question. You set it up as 10 P 8 10!/8!2! = 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 x 2 x 1 You then cross out any matching numbers in the numerator and the denominator. You are left with 10 x 9 on top and 2 x 1 on the bottom. This gives you 90/2 = 45 The answer is 45

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      This is a combination question. You set it up as 10 P 8 10!/8!2! = 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 x 2 x 1 You then cross out any matching numbers in the numerator and the denominator. You are left with 10 x 9 on top and 2 x 1 on the bottom. This gives you 90/2 = 45 The answer is 45
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