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To determine how many numbers have a sum of digits equal to nine, we consider the possible combinations of digits that add up to nine. These combinations include (9,0), (8,1), (7,2), (6,3), and (5,4). Therefore, there are five possible combinations of digits that sum up to nine.
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Continue Learning about Other Math
What is a digit sum of 9?
It is ... wait for it ... NINE!
How many 5 digits numbers are there whose digits sum to 22?
There are 5460 five digit numbers with a digit sum of 22.
What is the greatest three digit number whose digits have a sum of twelve?
Nine hundred thirty (930) is the highest three digit number whose digits have a sum of 12. 9+3+0=12. Any numbers higher than that will give you an sum greater than 12.
How many 5 digit palindromes equal the sum of 18?
35.
How many three digit numbers have the sum of their digits equal to 22?
21.
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