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There are 2941 4-digit numbers such no two of its digits differ by 1.

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What is the least possible sum of two 4-digit numbers?

what is the least possible sum of two 4-digit numbers?what is the least possible sum of two 4-digit numbers?


What is the greatest possible sum of two 4 digit numbers?

Add the two greatest possible four digit numbers. 9999 + 9999


How do 3 digit numbers compare to 4 digit numbers?

3 digit numbers are lessthan 4 digit numbers


What is the greatest possible product of a 2 digit and a 1 digit number?

Highest 2-digit number = 99 Highest 1-digit number = 9 Highest possible sum from 2, 2-digit numbers = 198 Highest possible sum from 2, 1-digit numbers = 18


What are the possible biggest 4 digit numbers with 4 different digit?

5


How many 4 digit numbers can be formed from the digits 12345?

The first digit can have 5 possible numbers, the second digit can have 4, the third 3, the fourth 2. 5


How many three digit numbers are there?

There are 900 three digit numbers. (99 - 1000) (# of possible numbers in the first position = 9) (# of possible numbers in the second position = 10) (# of possible numbers in the third position = 10) 9 *10 *10 = 900


How many 5 digit numbers are there with distinct digits?

There are 30,240 different 5-digit numbers. Math: 10*9*8*7*6 1st digit has 10 possible choices (0-9) 2nd digit has 9 possible choices (one of the digits was used in the 1st digit) 3rd digit has 8 possible choices 4th digit has 7 possible choices 5th digit has 6 possible choices


How many four digit numbers are possible from the digit 0'1'2'3'4 numbers may be repeated?

625 if numbers can have leading 0s, 500 otherwise.


How many different 2 digit numbers can be formed from the digits 2 6 7 and 8?

Without repeats there are 4 × 3 = 12 possible 2 digit numbers. With repeats there are 4 × 4 = 16 possible 2 digit numbers.


How many possible 3 digit numbers can be made using the digits 604?

There are 4 possible numbers if the digits are not repeated; 18 if they are. Those are 3-digit numbers, assuming that zero would not be a leading digit. If zero is allowed for a leading digit, then you can have 6 for the non repeated, and 27 if repetition.


How many four digits numbers can be formed using 0123456789?

Assuming that the first digit of the 4 digit number cannot be 0, then there are 9 possible digits for the first of the four. Also assuming that each digit does not need to be unique, then the next three digits of the four can have 10 possible for each. That results in 9x10x10x10 = 9000 possible 4 digit numbers. If, however, you can not use the same number twice in completing the 4 digit number, and the first digit cannot be 0, then the result is 9x9x8x7 = 4536 possible 4 digit numbers. If the 4 digit number can start with 0, then there are 10,000 possible 4 digit numbers. If the 4 digit number can start with 0, and you cannot use any number twice, then the result is 10x9x8x7 = 5040 possilbe 4 digit numbers.