NCERT · Class 8 · Mathematics · Exponents and PowersWhat is the value of $2^{-3}$?
Step-by-Step Solution
To find the value of $2^{-3}$, we use the negative exponent law: $a^{-m} = \frac{1}{a^m}$. Therefore, $2^{-3} = \frac{1}{2^3} = \frac{1}{8}$.
Detailed Options Breakdown
Option : -8
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Exponents and Powers.
Option 1: -6
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Exponents and Powers.
Option 2: 1/8 (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: 6
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Exponents and Powers.
💡 Study Guide: This question tests core syllabus concepts from Exponents and Powers. For formulas, key summaries, and mock exam reference guides, read the full Exponents and Powers Revision Notes.