Topic 1.53 min read
1.5 Prefixes to Power of Ten
A prefix is a word or symbol added to the beginning of a base unit to indicate a specific power of ten (a multiple or sub-multiple) of that unit. Prefixes are a mechanism through which numbers expressed as powers of ten are given a proper name.
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1.5 Prefixes to Power of Ten
What is it?
A prefix is a word or symbol added to the beginning of a base unit to indicate a specific power of ten (a multiple or sub-multiple) of that unit. Prefixes are a mechanism through which numbers expressed as powers of ten are given a proper name.
In simple words
1.5 Prefixes to Power of Ten is a core idea in this chapter. Learn the meaning first, then the main parts, then one clear example.
Recommended for Class 9
Full school-level explanation
A prefix is a word or symbol added to the beginning of a base unit to indicate a specific power of ten (a multiple or sub-multiple) of that unit. Prefixes are a mechanism through which numbers expressed as powers of ten are given a proper name.
Why it matters
Understanding 1.5 Prefixes to Power of Ten helps you answer definition, explanation, and application questions in this chapter.
Deeper understanding
Go deeper on 1.5 Prefixes to Power of Ten: connect the definition to reasons, relationships, exceptions, and exam wording.
Exam focus
Key Point 1
Key Point 2
Key Point 3
Key Point 4
Exam focus
Quick revision
- A prefix is a word or symbol added to the beginning of a base unit to indicate a specific power of ten (a multiple o
For long answers on 1.5 Prefixes to Power of Ten: define clearly → explain the main parts → give one example → state one exam caution.
Exam Focus
Exam Focus
Important points
- A prefix is a word or symbol added to the beginning of a base unit to indicate a specific power of ten (a multiple o
Common exam traps
- Do not write about 1.5 Prefixes to Power of Ten without a clear definition.
- Do not mix this idea with a neighbouring chapter concept.
Long question structure
Definition → key parts → example → exam caution
Common Mistakes
Common Mistakes
- Mistake
Do not write about 1.5 Prefixes to Power of Ten without a clear definition.
- Mistake
Do not mix this idea with a neighbouring chapter concept.
- Mistake
Do not list facts without showing how they connect.
Revision Zone
60-Second Revision
Quick cues from this topic — use them for last-minute revision.
A prefix is a word or symbol added to the beginning of a base unit to indicate a specific power of ten (a multiple o
A prefix is a word or symbol added to the beginning of a base unit to indicate a specific power of ten (a multiple or sub-multiple) of that unit. Prefixes a
- Definition
- A prefix is a word or symbol added to the beginning of a base unit to indicate a specific power of ten (a multiple or sub-multiple) of that unit. Prefixes a
- Critical warning
- Do not write about 1.5 Prefixes to Power of Ten without a clear definition.
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Exam Practice
Define
Q1. Define 1.5 Prefixes to Power of Ten.
Explain
Q2. Explain the main ideas in 1.5 Prefixes to Power of Ten.
Example
Q3. Give one clear example of 1.5 Prefixes to Power of Ten and say why it fits.
Mistake
Q4. State one common mistake students make about 1.5 Prefixes to Power of Ten.
Exam note
Q5. Write a short exam note on 1.5 Prefixes to Power of Ten: definition, two points, one example.
Sources & References
School-standard facts for Matric and Intermediate. Original explanations — not copied from textbooks.