SOLUTION: how many 3-digit numbers with no repeated digits using 4, 5, 6, 8 can be
a. less than 500
b. greater than 600
Algebra.Com
Question 931295: how many 3-digit numbers with no repeated digits using 4, 5, 6, 8 can be
a. less than 500
b. greater than 600
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
a. First digit must be 4, then we have 3 choices for the tens digit and two choices for the units digit --> 6 numbers
b. First digit must be 6 or 8 (2 choices), then 3 choices for the tens digit and two choices for the units digit --> 12 numbers
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