CBSE · Class 8 · Mathematics · Exponents and PowersWhat is the multiplicative inverse of $5^{-3}$?
Step-by-Step Solution
The multiplicative inverse of a number is what multiplies by it to give 1. For $5^{-3}$, the inverse is $\frac{1}{5^{-3}} = 5^3 = 125$.
Detailed Options Breakdown
Option : -125
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Exponents and Powers.
Option 1: 1/125
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Exponents and Powers.
Option 2: 125 (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: -5
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.