How many times larger is (5.4x10e6)x(9x10e3)

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent