BASIC MATH SYMBOLS

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Across
  1. 4. a specified quantity when multiplied by itself
  2. 5. expressed as milligrams per liter
  3. 8. state of being equal
  4. 10. state of not being equal
  5. 12. the number which produces a given when cubed
  6. 14. is an expression that means parts per thousand
  7. 15. a partition that divides two groups or things
  8. 16. symbol that denotes an inequality between two values
  9. 17. symbol that denotes an inequality between two values
  10. 19. quantity that is nearly but not exactly correct
  11. 20. the number of units of mass of a contaminant per 1000 million units of total mass
Down
  1. 1. taking the difference of two numbers
  2. 2. the process or skill of multiplying
  3. 3. provide additional information
  4. 6. remainder calculation
  5. 7. adding two or more items together
  6. 9. specified amount in or for every hundred
  7. 11. the opposite of multiplying any number by itself 4 times
  8. 13. used to enclosed words or figures
  9. 18. the truth functional operation of logical conjunction