Which number is not in scientific notation? a. 1.1 x 10^213 b. 7.8 x 10^8 c. 3.02 x 10^-10 d. 35 x 10^4

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.