There are 24 four-digit numbers that can be formed from the digits 1, 2, 3, and 4
using each digit once and only once. What is the sum of these 24 numbers?
a. 66,660 b. 66,600 c. 66,000 d. 65,260 e. None of these
There are 24 four-digit numbers that can be formed from the digits 1, 2, 3, and 4
using each digit once and only once. What is the sum of these 24 numbers?
a. 66,660 b. 66,600 c. 66,000 d. 65,260 e. None of these
1+2+3+4 = 10
6 sets of 10 for each place digit (units, 10's, 100's, and thousands ...