How many 4-digit numbers can be formed from the digits 1, 2, . . . , 7 under the
Chapter 8, Problem 12(choose chapter or problem)
How many 4-digit numbers can be formed from the digits \(1,2, \ldots, 7\) under the following conditions?
(a) the numbers must be less than 5000 and no digits can be repeated.
(b) the numbers must be less than 5000 and digits can be repeated.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer