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Across 4. (abcdefg)^0 6. ab(cdefg)^0 8. 2xyz - 3xyz + xyz 9. multiplying by 10 is same as moving decimal _____ to _____ 12. when dividing same base we ____ exponents 14. when multiplying same base we ___ exponents 15. the number to left of variable is know as ___ 18. 10 billion in scientific notation has how many zeros? 19. what is a thousand thousands ? 21. (pi / pi) * pi 23. 1/0 25. 1/4 million in scientific notation is ___ 27. x^2 / x^3 29. xyz multiply 1/(xyz)

Down 1. 45 thousand in scientific notation is __ 2. how many pennies in one million dollars? 3. 0/1 5. (xyz)^0 6. abc + abc - abc 7. xyz divide by (xyz)/2 10. dividing by 10 is same as moving decimal _____ to ______ 11. 1/2 billion in scientific notation is ___ * 10^8 13. how many hundreds in a thousand ? 16. how many thousands in a billion 17. 1/(xyz) times xyz 19. how many pennies in ten dollars ? 20. how many thousands in a million? 22. xyz divide by xyz 24. bases that are the same and with same exponents are know as ___ 25. 1/(xyz) divide by (xyz)/2 26. 1/2 billion has how many zeros? 28. x^2 y / (x y)