Evaluate 53 47 quickly.

  1. 2,509
  2. 2,481
  3. 2,500
  4. 2,491
Answer

D) 2,491

53 47 = (50 + 3)(50 - 3) = 50^2 - 3^2 = 2500 - 9 = 2491. SLO M-09-A-21 · Application

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