\fQuestion 5 (5 points) Evaluate the expression. Express the result in scientific notation. (9.51 x 10*) + (1.96 x 10') O 1.0019 x 104 O -1.009 x 105 O 2.911 x 105 O 1.2617 x 106 Question 6 (5 points) Estimate each square root to the nearest whole number. Do not use a calculator. V128 O 12 O 11.3 OQuestion 9 (5 points) Evaluate the expression. Express the result in scientific notation. (9.08 x 105) - (2.25 x 10-) O 9.305 x 106 O 8.855 x 106 O -10 x 105 O 6.147 x 106 Question 10 (5 points) Evaluate the expression. Express the result in scientific notation. 18.48 x 105 5.6 x 10-3 O 24. 1 x 10- O 3.3 x 108 O 3.3 x 10-2 O 33.0 x 102Question 8 (5 points) Erupting volcanoes are categorized by the volume of lava they emit. The greater the volume of lava, the more severe the volcano. The table shows the Volcanic Explosivity Index (VEI) for five categories of volcanoes. Rank the VEIs in order from the least destructive to the most severe. Volcanic Explosivity Index VEI Volume (m-) 0 1.0 x 103 1.0 x 10* 2 1.0 x 105 1.0 x 10 4 1.0 x 108 1, 3, 4, 0, 2 4, 3, 2, 1, 0 3, 2, 0, 4, 1 ( 0, 1, 2, 3, 4