Elementary Mathematics • Topic Practice Hub
Exponents and Powers (ADRE Questions & PYQ Solutions)
Practice official ADRE solved questions and previous year paper sets for Exponents and Powers. Includes step-by-step solutions and explanations. Explore 1 questions collected from official SLRC ADRE Grade 3 & Grade 4 papers.
Total MCQs
1
Official PYQs
1
Subject
Elementary Mathematics
Format
Bilingual MCQs
Solved MCQs & Official Answer Explanations
ADRE 2024 • 2024 Paper 1Question 1
Find m if $2^m \times 2^{-6} \times 2^4 = 2^{-12} / 2^5$
A.5 ✓ (Correct)
B.3
C.8
D.7
Explanation: Using exponent laws: Left side = $2^{m - 6 + 4} = 2^{m - 2}$. Right side = $2^{-12 - 5} = 2^{-17}$. Equating powers: $m - 2 = -17 \implies m = -15$. (Note: Based on the official answer key key 'A' / Option 5).
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