toloh

1. -1/5 2. 1 3. -y^4 4. 6^13 5. 3 6. q^18 7. 1/27t^15 8. -11/2 9. t^38 10. 27/8b^12 11. Yes; the number is written in scientific notation. 12. 7*10^-9, 4*10^-7, 1*10^4, 2*10^4 13. 2.4*10^3 14. 1.88*10^15 15. 9.355*10^7 16. 1.4*10^-1 seconds 17. yes 18. no...

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