PSAT Math Multiple-Choice Question 284: Answer and Explanation
Question: 284
What is the prime factorization of 99?
- A. 9, 9
- B. 9, 11
- C. 3, 3, 10
- D. 3, 3, 11
Correct Answer: D
Explanation:
Use a factor tree to find the prime factors of 99. The factors are 3, 3, and 11. See Lesson: Factors and Multiples.
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