cent deca deci words

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Across
  1. 5. another name for Celsius
  2. 6. a cm also known as _________ is equal to 0.393701 inch
  3. 8. a unit used to measure the intensity of a sound
  4. 9. this has one more face than a nonahedron
  5. 10. a person who is 100 years old or more
Down
  1. 1. perfect score on a test - 100 _______
  2. 2. "." symbol in mathematics
  3. 3. one tenth of a meter
  4. 4. athletic competition with ten events
  5. 7. the 1960s, 1970s, 1980s, 1990s are all examples of _______