The value of 2^-3 is:
A1/8
B1/6
C1/4
D1/2
Answer & Solution
Correct answer: A. 1/8
1. A negative exponent gives the multiplicative inverse.
2. So 2^-3 is 1 divided by 2^3.
3. 2^3 is 8, so the value is 1/8.
4. So the answer is 1/8.
_Source: NCERT Class 8 Mathematics, Ch 10 'Exponents and Powers'_
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