Operations in Scientific Notation and Standard Form

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Across
  1. 2. 2.3x10^3
  2. 4. (-2.4x10^6)/(8x10^2)
  3. 6. (1.2x10^5)x(2x10^-3)
  4. 7. (1.3x10^-6)x(2.1x10^6)
  5. 8. (1.2x10^5)/(2x10^3)
  6. 9. 2,635,000,000
  7. 11. .000002568
  8. 13. 56.45
  9. 15. 1.54x10^5
Down
  1. 1. 4.58x10^-5
  2. 3. -343.2
  3. 5. (2.5x10^2)/(2x10^-4)
  4. 10. .5891
  5. 12. .001548
  6. 14. Which is larger? 1.2x10^8 or 3.6x 10^6
  7. 15. Which is larger? 1.2x10^-3 or 5x10^-8