Prefixes of Quantity

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Across
  1. 3. 1,000 years
  2. 5. one language
  3. 7. 1/2 of the world
  4. 10. aquatic creature with 8 arms
  5. 11. uncertain regarding action
  6. 13. 5 children born together
  7. 17. 1/100 of the whole
  8. 21. almost sweet
  9. 22. more than one wife
Down
  1. 1. two lenses in one
  2. 2. 100 years
  3. 4. 2 colors
  4. 6. 1/10 of the whole
  5. 8. two people two weapons
  6. 9. many different technologies
  7. 12. creature can live on land/water
  8. 14. 3 babies
  9. 15. 5 sided shape
  10. 16. small cup
  11. 18. 4 times a year
  12. 19. one wheeled bike
  13. 20. a sport event with 10 different parts