The "sum" is the result of adding something together, and "digits" refers to the individual
numbers that make up 217.
217 has 3 digits. The digits in 217 are 2, 1, and 7.
When you are asking for the sum of the digits of 217, you are basically asking what is
2 plus 1 plus 7?
Therefore, the sum of the digits in 217 is as follows:
2 + 1 + 7 = 10
Sum of digits in 218
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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