SSAT Math Question 233: Answer and Explanation
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Question: 233
7. Simplify the variable expression: 
- A.
- B.
- C.
- D. a
Correct Answer: B
Explanation:
The answer is B
First, raise the term within the parentheses to a power of 3. (ab)3 = a3b3. When you divide exponential expressions with the same base, subtract the exponents. 
= a3-3 = a0, and 
= b3-4 = b-1 or . As any number other than 0 raised to a power of 0 equals 1, a0 = 1, and c0 = 1.