Class 8 Maths – Chapter 12
Exponents & Powers
STEP 6: MCQs Notes & Practice
Exponents & Powers
STEP 6: MCQs Notes & Practice
1. MCQs based on Laws of Exponents
Most MCQs test whether you know when to add or subtract powers.
Example:
2³ × 2⁴ = ?
Answer: 2⁷
Most MCQs test whether you know when to add or subtract powers.
Example:
2³ × 2⁴ = ?
Answer: 2⁷
2. MCQs on Zero Exponent
Any non-zero number raised to power zero is equal to 1.
Example:
9⁰ = ?
Answer: 1
Any non-zero number raised to power zero is equal to 1.
Example:
9⁰ = ?
Answer: 1
3. MCQs on Negative Exponents
Negative powers convert into fractions.
Example:
2⁻² = ?
Answer: 1/4
Negative powers convert into fractions.
Example:
2⁻² = ?
Answer: 1/4
4. MCQs on Powers of 10
These questions test your ability to write large numbers.
Example:
1,00,000 = ?
Answer: 10⁵
These questions test your ability to write large numbers.
Example:
1,00,000 = ?
Answer: 10⁵
⭐ MCQ Exam Tip:
• Read question carefully
• Check base first
• Avoid hurry in options
• Read question carefully
• Check base first
• Avoid hurry in options
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