Dec words

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Across
  1. 3. one tenth of a meter
  2. 4. a ten sided shape
  3. 5. a unit of sound measurement
  4. 6. a period of ten years
  5. 7. the twelfth month of the year
Down
  1. 1. an athletic event with 10 competitions
  2. 2. a creature with 10 legs
  3. 4. a way of expressing a non whole number using a base ten system
  4. 6. celebrated every ten years