General Studies Paper II (CSAT) · Subtopic
Orders of magnitude
Official syllabus
Basic numeracy (numbers and their relations, orders of magnitude, etc.) (Class X level), Data interpretation (charts, graphs, tables, data sufficiency etc. — Class X level);
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What this covers
Order of magnitude describes approximate scale, often through powers of ten. It is useful for judging whether a computed value is plausible; it is not an exact measurement.
Key ideas
- place value
- powers of ten
- approximation
- scale