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For any non-zero a, what is the value of a^0?
A1
B0
Ca
DUndefined
Answer & Solution
Correct answer: A. 1
1. By the zero-exponent rule, a^0 = 1 for any non-zero a.
2. This follows from the division law: a^m / a^m = a^(m-m) = a^0 = 1.
3. Example: 6^0 = 1, 100^0 = 1.
_Source: ICMAI BoS CMA Foundation Paper 3 (Business Mathematics & Statistics), Module 2 §2.2 (Indices and Logarithms) + Module 5 (Standard Deviation), p. 112-160 + 318-340_