NCERT · Class 6 · Mathematics · Knowing Our NumbersWhich option shows the correct placement of commas in 78921092 according to the International System of Numeration?
Step-by-Step Solution
In the International System, commas are placed after every 3 digits from the right. So, 78921092 becomes 78,921,092.
Detailed Options Breakdown
Option : 7,89,21,092
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Knowing Our Numbers.
Option 1: 78,921,092 (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: 789,210,92
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Knowing Our Numbers.
Option 3: 78,92,10,92
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Knowing Our Numbers.
💡 Study Guide: This question tests core syllabus concepts from Knowing Our Numbers. For formulas, key summaries, and mock exam reference guides, read the full Knowing Our Numbers Revision Notes.