Properties and operations of numbers

1234567891011121314
Across
  1. 3. s(rt) = (sr)t
  2. 7. result of dividing a positive number by a negative number
  3. 8. 7(5 - 6) = 7x5 - 7x6
  4. 9. result of multiplication
  5. 10. result of 0 x 1,000,000
  6. 11. result of a division
  7. 12. result of an exponentiation
  8. 13. result of 5 / 0
  9. 14. result of a subtraction
Down
  1. 1. 4 + (-5) = -5 + 4
  2. 2. ab = ba
  3. 3. (1 + 2) + 4 = 1 + (2 + 4)
  4. 4. result of an addition
  5. 5. 1 x 5 = 5
  6. 6. 4 = 4 + 0
  7. 9. result of multiplying two negative numbers