Math

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Across
  1. 3. 213,213,213..14thterm?
  2. 5. 400,300,225..6thterm?
  3. 8. -9,27,,-81..12thterm?
  4. 9. 3,-6,12..15thterm?
  5. 11. 100,300,900..9thterm?
  6. 14. 4,20,100..10thterm?
  7. 15. 6,24,96..7thterm?
Down
  1. 1. -1,6,-36..8thterm?
  2. 2. 8,-16,32..11thterm?
  3. 4. -1,5,-25..10terms?
  4. 6. -2,4,-8..14thterm?
  5. 7. 2,-10,50..9thterm?
  6. 10. 550,440,352..9thterm?
  7. 12. 1,200,300,75..6thterm?
  8. 13. 1,0.5,0.25..7thterm?