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) About Me  (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.