The "sum" is the result of adding something together, and "digits" refers to the individual
numbers that make up 7422.
7422 has 4 digits. The digits in 7422 are 7, 4, 2, and 2.
When you are asking for the sum of the digits of 7422, you are basically asking what is
7 plus 4 plus 2 plus 2?
Therefore, the sum of the digits in 7422 is as follows:
7 + 4 + 2 + 2 = 15
Sum of digits in 7423
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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