The "sum" is the result of adding something together, and "digits" refers to the individual
numbers that make up 620.
620 has 3 digits. The digits in 620 are 6, 2, and 0.
When you are asking for the sum of the digits of 620, you are basically asking what is
6 plus 2 plus 0?
Therefore, the sum of the digits in 620 is as follows:
6 + 2 + 0 = 8
Sum of digits in 621
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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