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MATHS Assertion (A) & Reason (B) MCQ

Exponents and Powers · Gujarat Board (GSEB) STD 8 (GSEB - English Medium). 2 questions.

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Assertion (A) & Reason (B) MCQ

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2 questions · timed · auto-graded

MCQ 11 Mark
Assertion (A) When you raise a number to the power of zero, the result is always zero.
Reason (R) Any number raised to the power of zero equals one.
  • A
    Both A and R are correct and R is the correct explanation of A.
  • B
    Both A and R are correct but R is not the correct explanation of A .
  • ✓
    A is false but R is true.
  • D
    A is true but R is false.
Answer
Correct option: C.
A is false but R is true.
C
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MCQ 21 Mark
Assertion (A) When you multiply two numbers with the same base and they have different exponents, you can add the exponents together.
Reason (R) This is because the product rule of exponents states that $a^m \times a^n=a^{m+n}$.
  • ✓
    Both A and R are correct and R is the correct explanation of A.
  • B
    Both A and R are correct but R is not the correct explanation of A .
  • C
    A is false but R is true.
  • D
    A is true but R is false.
Answer
Correct option: A.
Both A and R are correct and R is the correct explanation of A.
A
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