SOLUTION: From the numbers 1,2,3,4,5,6,7,8, and 9, four different numbers are selected to form a four-digit number.
a. How many four-digit numbers can be formed?
b. How many four-digit num
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Question 1173346: From the numbers 1,2,3,4,5,6,7,8, and 9, four different numbers are selected to form a four-digit number.
a. How many four-digit numbers can be formed?
b. How many four-digit numbers less than 2,000 can be formed?
c. How many four-digit even numbers can be formed?
Answer by ikleyn(52778) (Show Source): You can put this solution on YOUR website!
.
duplicate.
Just solved and answered under THIS link
https://www.algebra.com/algebra/homework/Permutations/Permutations.faq.question.1173343.html
https://www.algebra.com/algebra/homework/Permutations/Permutations.faq.question.1173343.html
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D O N O T P A N I C (!)
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