Worked Example
Revision challenge 9
For Class 8 Mathematics, explain or solve a standard form and scientific notation question from the chapter "Exponents and Powers". Focus on revision challenge and show the working clearly.
Step-by-step solution path
- Read the topic idea: Standard form and scientific notation.
- Recall the core explanation from the chapter: Mathematics syllabus chapter for Class 8.
- Use the related formula "a⁻ⁿ = 1/aⁿ" as the main tool while solving.
- Write the reasoning in simple school-level language before the final answer.
Final learning answer
This example is centred on Standard form and scientific notation. A strong solution should identify the correct data, apply a⁻ⁿ = 1/aⁿ, and explain each transition instead of jumping directly to the answer.
Related formula
a⁻ⁿ = 1/aⁿ
a⁻ⁿ = 1/aⁿ