ISEE Mathematics Achievement Question 60: Answer and Explanation

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Question: 60

4. Write 493 in expanded form, using exponents.

  • A. (4 × 103) + (9 × 102) + (3 ×10)
  • B. (4 × 102) + (9 × 10) + 3
  • C. (4 × 102) + (9 × 10) - 7
  • D. (4 × 101) + (9 × 10) + 3

Correct Answer: B

Explanation:

The correct answer is (B). Choice (A) is 4930; choice (C) is 483; choice (D) is 133.

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