The "sum" is the result of adding something together, and "digits" refers to the individual
numbers that make up 79.
79 has 2 digits. The digits in 79 are 7 and 9.
When you are asking for the sum of the digits of 79, you are basically asking what is
7 plus 9?
Therefore, the sum of the digits in 79 is as follows:
7 + 9 = 16
Sum of digits in 80
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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