Simplify , giving the answer as a power of 2.

Answer and explanation

Correct answer: A.

  1. Step 1: Write every base as a power of 2: , , .
  2. Step 2: Combine the indices: , so the value is .
Answer
.
Why not the others: : ignores the factor altogether. : treats as instead of . : multiplies by instead of dividing by it.

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