SOLUTION: A 3-digit number will be formed using the numbers 2, 3, 4, 5, and 7. How many are less than 500 if the digits must be distinct?
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Question 987413: A 3-digit number will be formed using the numbers 2, 3, 4, 5, and 7. How many are less than 500 if the digits must be distinct? Answer by macston(5194) (Show Source):
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To be less than 500, you have three choices for the hundreds digit, that leaves 4 choices for the tens digits, and three choices for the units digit.
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3 x 4 x 3 = 36
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ANSWER: There are 36 possible three digit numbers less than 500 with no repetition of digits.