Rewrite each expression using each base only once. 1. 45.4³ 2.24.26.22 4. 104 10¹ 10² . 5.79.73.7-10 . Simplify each expression. 7.2825 8.-4k-3.6k4 10. (13x-8)(3x¹0) 11. (-2h³)(4h-³) 13. mn² m²n. mn¹ . 14. (6a³b-2)(-4ab-8) Write each answer in scientific notation. The population of a country in 1950 was 6.2 X 107. The population in 2030 is projected to be 3 × 10² times the 1950 population. If the projection is correct, what will the population of the country be in 2030? The area of land that Rhode Island covers is approximately 1.5 X 10³ square miles. The area of land that Alaska covers is a little more than 4.3 X 10² times the land area of Rhode Island. What is the approximate area of Alaska in square miles? Simplify each expression. Write each answer in scientific notation. 18. (7 × 10¹7)(8 × 10-28) 19. (4 × 10-¹1)(0.8 × 10²) 20. (0.9 x 10¹5) (0.1 × 10-6) 21. (0.8 x 10³) (0.6 × 10-17) 22. (0.5 x 10³) (0.6 X 10⁰) 23. (0.2 x 10¹¹)(0.4×10-14) Complete each equation. 24. 9-2.94-9 = 25. 5.5³=52 26. 28.2-2-2 27.2².2-5=23 28. m m. m = m² П = 29. d d 13. dº = d . X Form G 3.56 5-2.5-1 . 6.92.9-8.96 9. (-5b³)(-3b6) 12. -8n. 11m² 15. (12mn)(-m³n2p³)(2m)
