SOLUTION: How many 6-digit numbers (i.e., between 100,000 and 999,999) have no 4's and no repeated digits? Is this correct: 9 * 8 * 7 * 6 * 5 * 4 = 60,480 ? (0-9)=10 digits, without 4 you ha
Algebra ->
Probability-and-statistics
-> SOLUTION: How many 6-digit numbers (i.e., between 100,000 and 999,999) have no 4's and no repeated digits? Is this correct: 9 * 8 * 7 * 6 * 5 * 4 = 60,480 ? (0-9)=10 digits, without 4 you ha
Log On
Question 356318: How many 6-digit numbers (i.e., between 100,000 and 999,999) have no 4's and no repeated digits? Is this correct: 9 * 8 * 7 * 6 * 5 * 4 = 60,480 ? (0-9)=10 digits, without 4 you have 9! because (no repeats) Answer by Jk22(389) (Show Source):
You can put this solution on YOUR website! I would say the first number in your multiplication were 8 too, since the first digit can't be 0 (8*8*7*6*5*4), but the 2nd, 3rd,..last can be 0.