Question

Assuming that repetitions not allowed, how many four digit numbers can be formed from the six digits 1,2,3,5,7,9

Answer 1

Answer:

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Answer 2

Answer:

360

Given-1,2,3,5,7,9

Explanation-

Permutation-A premutation is a situation in which there are an excess number of repeats in a gene that is at risk of increasing in length during reproduction but which does not cause disease in the person with the excess number of repeats.

Step1. formula of permutation is p written in middle n upper and r to down side

Step2. so that 6 factorial/4 factorial

Step3 4 factorial cancel in both side

Step4 will get 360 ways

for more refers to-

https://brainly.in/question/12655582?source=quick-results&auto-scroll=true&q=permutation

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