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Simplify: 2^-3 multiplied by 2^-4 equals:
A2^-12
B2^-7
C2^-1
D2^12
Answer & Solution
Correct answer: B. 2^-7
1. The bases match, so the exponents are added.
2. Adding -3 and -4 gives -7.
3. The product is 2^-7.
4. So the answer is 2^-7.
_Source: NCERT Class 8 Mathematics, Ch 10 'Exponents and Powers'_
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