Noah's crossword puzzl

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Across
  1. 3. How many times you multiply a number.
  2. 5. include all numbers.
  3. 9. alphabetic character representing a number
  4. 10. A number multiplied by a variable.
  5. 11. or containing quantities that are expressible, as a ratio of whole numbers.
Down
  1. 1. a number that is not a fraction.
  2. 2. a number without fractions
  3. 4. less than zero,to be subtracted from others or from zero.
  4. 6. not expressible as a ratio of two integers.
  5. 7. a number that produces a specified quantity when multiplied by itself.
  6. 8. The number you multiply.