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How many 4 diget numbers can you make from the numbers 6789?
It depends. If the numbers are only used once then it is 24. More precisely it is 4!. (4 factorial which is 4x3x2x1). The same would apply to any number of digits assuming they are used once each. If there is replacement involved (any number used any number of times like 7777 or 6688), then the answer would be 256. Or in other words, the number of possible numbers raised to the power of how many digit positions there are (44). So if the question was how many 5 digit numbers can you make from 1234567?75=16807
Write a four digit number that rounds to 1000 when rounded to the nearest hundred?
1000
What is the largest 6 digit number you can make that has a 1 in the thousands place and a 5 in the ten-thousands place?
951999
What is the numeric number of 23000?
The numeric number of 23,000 is 23,000. This number is composed of four digits: 2, 3, 0, and 0. In the decimal system, the value of each digit is determined by its position from the right, with the rightmost digit representing ones, the next digit representing tens, then hundreds, and so on.
What prime number can you make out of 0123456789?
Every 9-digit combination of those numbers is a multiple of 3. None of them will be prime.
