A number is printed as 3,205,417. The commas in it serve to separate the:
ASymbols
BLetters
CPeriods
DAnswers
Answer & Solution
Correct answer: C. Periods
1. Large numbers are hard to read without breaks.
2. Each comma marks off a group of three digits.
3. So commas separate the periods.
_Source: OpenStax Prealgebra, Chapter 1, Whole Numbers._
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