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What is the greatest and smallest 9-digit number using three different digits?
The greatest 9-digit number using three different digits is 999888777, formed by using the digits 9, 8, and 7 in descending order. The smallest 9-digit number using three different digits is 100000000, created with the digits 1, 0, and 0. This arrangement ensures that the number starts with 1, followed by the zeros to maintain the smallest value.
What is the greatest 5 digit number using 3 different digits?
The greatest 5-digit number using 3 different digits is 99987. This number is formed by using the digit '9' three times, along with '8' and '7' to maximize the overall value while adhering to the condition of using only three different digits. Other combinations, like 99876 or 99875, do not yield a higher number while still using only three distinct digits.
How many 3 digit numbers are formed using digits 1-7?
To form a three-digit number using the digits 1-7, we can choose any of the 7 digits for each of the three places (hundreds, tens, and units). Therefore, the total number of 3-digit combinations can be calculated as (7 \times 7 \times 7), which equals 343. Thus, there are 343 different three-digit numbers that can be formed using the digits 1-7.
Using digits once what is the largest three-digit number divisible by 6 and 9?
972.
How many 3 digit number can be made using the digits 2 4 7 9?
24 three digit numbers if repetition of digits is not allowed. 4P3 = 24.If repetition of digits is allowed then we have:For 3 repetitions, 4 three digit numbers.For 2 repetitions, 36 three digit numbers.So we have a total of 64 three digit numbers if repetition of digits is allowed.
What is the Highest 4 digit number using three odd numbers?
The highest four-digit number using three odd digits is 9997. This is achieved by using the digit '9' three times (the highest odd digit) and the next highest odd digit, which is '7', to complete the four-digit requirement. Therefore, the combination of three '9's and one '7' results in the number 9997.
What is the greatest seven-digit number using four different digits?
9,999,876 is the greatest seven-digit number using four different digits.
What is the maximum number of different three digit palindromes you can make using any digit?
There are 10 digits, but for a three digit number the first number cannot be a 0. Thus: there is a choice of 9 digits for the first (and last digit which must be the same), with 10 choices of digit for the second (middle) digit, making 9 × 10 = 90 such palindromic numbers.
How many 3 digit numbers can be made from 0123456789?
To form a three-digit number using the digits 0-9, the first digit cannot be 0 (as it would not be a three-digit number). Thus, the first digit can be any of the digits from 1 to 9 (9 options). The second and third digits can each be any digit from 0 to 9 (10 options each). Therefore, the total number of three-digit numbers is (9 \times 10 \times 10 = 900).
What is the smallest 6 digit number using the digits 12345?
Since there are only five different digits, a 6-digit number can only be generated if a digit can be repeated. If digits can be repeated, the smallest 6-digit number is 111111.
Can a ten-digit phone number be a legitimate seven-digit number without the last three digits?
No, a 10-digit phone number that is missing the last three digits can not be a legitimate number. In order for a number to work, it must have 3 numbers for an area code and seven digits for the phone number itself. Some telemarketers are now using fake numbers to hide from the people they're calling.
What are the the 3 digit numbers using 1345678?
Using the digits of 1345678, there are 210 three digit numbers in which no digit is repeated.
