Exercises

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Simplify Negative Powers

Write with positive indices only:

  1. x-3
  2. 5-2
  3. 1/y-5
  4. 2a-1
  5. (3x)-2

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Evaluate

Evaluate without a calculator:

  1. 40 + 3-1
  2. 10-2
  3. 2-3 × 25
  4. (50)-3

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