13.

Two racing boats set out from the same dock and speed away at the same constant speed of 120 km/h for half an hour (0.500 h), the blue boat headed 23.2" south of west, and the green boat headed 37.9 south of west. During this half-hour (a) how much farther west does the blue boat travel, compared to the green boat, and (b) how much farther south does the green boat travel, compared to the blue boat? Express your answers in km. N F CIC (a) Number Units (b) Number i UnitsThe mass of the parasitic wasp Camphmctus cintus can be very small. Suppose such a wasp has a mass of 5,42 1 10" kg. What is this mass in {:1} grams [3]. {b} milligrams {mg}. and it] micrograms Lug}? {a} Number l Units v {1)} Number l Units v {cl Number l Units v The highest waterfall in the world is Angel Falls in Venezula, with a total drop of 979 m. Write the height of the falls in cm using scientific notation. i x 10* cm