For Class 7 Mathematics, explain or solve a decimal number system question from the chapter "Exponents and Powers". Focus on concept check and show the working clearly.
Step-by-step solution path
Read the topic idea: Decimal number system.
Recall the core explanation from the chapter: Mathematics syllabus chapter for Class 7.
Use the related formula "aแต ร aโฟ = aแตโบโฟ" 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 Decimal number system. A strong solution should identify the correct data, apply aแต ร aโฟ = aแตโบโฟ, and explain each transition instead of jumping directly to the answer.
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