Question

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Which expression is equivalent to 2^4 ⋅ 2^−7?

A. 1 over 2 to the power 11

B. 1 over 2 to the power 3

C. 2^3

D. 2^11

Answer 1

Multiplication means addition of the exponents.
Hence:
(2^4)*(2^-7)=2^(4-7)=2^-3
Therefore:
2^4*2^7=2^-3

Answer 2

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