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The number of 3-digit numbers

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
1. 4 answers
2. asked by Anonymous
3. 1,234 views
Find the number of five digit numbers less than 40,000 in which the 33 digit numbers formed by consecutive digits are all
1. 1 answer
2. 40 views
Find the number of five-digit numbers less than 40 000 in which the three three-digit numbers formed by consecutive digits are
1. 1 answer
2. asked by Livi
3. 125 views
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
1. 0 answers
2. asked by Kelly
3. 937 views
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
1. 1 answer
2. asked by Eric
3. 558 views
find 2 prime numbers that if multiplied would generate a 400 digit numberI'm not sure what you want. 400 is a three-digit
1. 0 answers
2. asked by quita
3. 684 views
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
1. 5 answers
2. asked by rohit
3. 1,389 views
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
1. 1 answer
2. asked by lauren
3. 508 views
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
1. 1 answer
2. asked by luckybee
3. 603 views
How many international direct-dialing numbers are possible if each number consists of a four-digit area code (the first digit of
1. 1 answer
2. asked by Kal Jay
3. 1,824 views