The "sum" is the result of adding something together, and "digits" refers to the individual
numbers that make up 8742.
8742 has 4 digits. The digits in 8742 are 8, 7, 4, and 2.
When you are asking for the sum of the digits of 8742, you are basically asking what is
8 plus 7 plus 4 plus 2?
Therefore, the sum of the digits in 8742 is as follows:
8 + 7 + 4 + 2 = 21
Sum of digits in 8743
See if you can calculate the sum of the digits in the next number on our list before you go here.
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