Integer Crossword Puzzel

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Across
  1. 4. (50+10)-30+60
  2. 5. 2^6
  3. 7. (40-3^2)*(-2)+60
  4. 8. (9*2)-13
  5. 12. 6(-2-4)+30
  6. 14. (20/2)+5+2
  7. 15. (-2-6)-6+1
Down
  1. 1. Which is less? -51 or 51
  2. 2. (-2*3)*2
  3. 3. [(9-2)-5]*(-30)
  4. 6. What is the absolute value of -14?
  5. 9. (15/3)+20-5
  6. 10. -44+(7*6)
  7. 11. 50+(2*2^2+42)
  8. 13. [(30/2)*2]+1