Civil Service Exam Reviewer · Basic Operations · hard

Evaluate: 55 × 53 ÷ 52

  1. 1,220,703,125
  2. 9,765,625
  3. 78,125
  4. 15,625

Answer

D. 15,625

Solution

Same base: add exponents when multiplying, subtract when dividing: 5(5 + 3 − 2) = 56 = 15,625.

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