The number of 3-digit numbers

  1. The number uses every number 0-9 the numbers are used only once the fourth digit is 4 the first digit in the billions place is 3
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    2. Anonymous asked by Anonymous
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  2. Find the number of five digit numbers less than 40,000 in which the 33 digit numbers formed by consecutive digits are all
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  3. Find the number of five-digit numbers less than 40 000 in which the three three-digit numbers formed by consecutive digits are
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    2. Livi asked by Livi
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  4. I have no idea what this problem means:For how many two-digit numbers if the ones digit larger than the tens-digit? Can you find
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    2. Kelly asked by Kelly
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  5. What are 3 5-digit numbers that have the sum of their digits equal?Is it as simple as finding a random 5 digit number than
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    2. Eric asked by Eric
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  6. find 2 prime numbers that if multiplied would generate a 400 digit numberI'm not sure what you want. 400 is a three-digit
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    2. quita asked by quita
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  7. Find the sum of all 3-digit positive numbers N that satisfy the condition that the digit sum of N is 3 times the digit sum of
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    2. rohit asked by rohit
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  8. what is seven-digit number if the ones digit is the sum of the millions digit and thousands digit is and the digits is the
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    2. lauren asked by lauren
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  9. a certain two-digit number is 6 less than the sum of its tens digit and 7 times its units digit. if the digits are reversed the
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    2. luckybee asked by luckybee
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  10. How many international direct-dialing numbers are possible if each number consists of a four-digit area code (the first digit of
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    2. Kal Jay asked by Kal Jay
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