Digital PSAT Math Practice Question 132: Answer and Explanation
Question: 132
equals
- A. -12
- B.
- C.
- D.
Correct Answer: D
Explanation:
(D) Numbers with negative exponents in the numerator can be rewritten with a positive exponent by moving that number to the denominator (i.e., 
). Fractional exponents are the same as roots. So the entire expression can be rewritten as:
The answer is choice (D).
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