Simplify .

Answer and explanation

Correct answer: C.

  1. Step 1: A power of a power multiplies: .
  2. Step 2: Dividing subtracts the powers: .
Answer
.
Why not the others: : the exponents were added (12 + 5) instead of subtracted when dividing. : 3 + 4 − 5 adds the 3 and 4 instead of multiplying for a power of a power. : the powers 12 and 5 were divided.

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