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1. 651 cm x 75 cm 4.9 x 103 cm2 2. 7.835 kg / 2.5 L 3.1 kg/L 3. 14.75L / 1.20 s 1.23 x 101 L/s 4. 360 cm x 51 cm x 9.07 cm 1.7 x 105 cm3 5. (5.18 m x 0.77 m) / 10.22 m 3.9 x 10-1 m 6. 34.95g / 11.169 cm3 3.129 g/cm3 7. 7.945 J + 82.3 J – 0.02 J 9.02 x 101 J 8. 0.00012 m – 0.00045 m – 0.00011m 6.0 x 10-4m 9. 31.2 kPa + 0.0035kPa – 0.147 kPa 3.11 x 101 kPa 10. 312 dL – 31.2 dL – 3.12 dL 2.78 x 102 dL 11. (0.054 kg + 1.33 Kg) x 5.4 m2 7.5 kgm2 12. 4.198 kg x (1019 m2 – 40 m2) / (54.2 s x 31.3 s) 2.4 kgm2/s 13. 209 nm à mm 2.09 x 10-4mm 14. 152 million km à Mm 1.52 x 105 Mm 15. 2500 ml à L 2.5 L 16. 55 L à kL 5.5 x 10-2 kL 17. 1.60 mL à µL 1.6 x 103 µL 18. 5.2 cm à mm 5.2 x 101 mm 19. 0.0036 mL à µL 3.6 µL 20. 325 g + 2.500 kg =? Kg 2.825 kg 21. 3.01 x 1022 atoms + 1.19 x 1023 atoms + 9.80 x 1021 atoms 1.59 x 1023 atoms 22. 8.27 x 102 m * 2.5 x 10-3 m * 3.00 x 10-4 m 6.2 x 10-4 mm3 23. 9.571 x 103 kg / 3.82 x 10-1 m2 2.51 x 104 kg/m2 24. 11,200,000 Pa à scientific notation 1.12 x 107 Pa 25. 6.377 x 104 J */ 7.35 x 10-3 s 8.68x106 J/s |
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02/20/10 |