SSAT Math Question 402: Answer and Explanation
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Question: 402
13. Simplify the variable expression: 
- A.
- B.
- C.
- D.
Correct Answer: D
Explanation:
D
Combine like terms, starting with the coefficient: 
. Next address k, remembering that when you divide common bases, you subtract the exponents: k2. The s elements cancel out. Finally, address u, again applying the divide/subtract rule: u. Thus, the remaining elements are 
.