Determine the values of mm and nn when the following average distance from the Sun to the Earth is written in scientific notation: 150,000,000,000 mm. Enter mm and nn, separated by commas

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?

You have 80 g of 60oc water and 80 g or 10oc water. what is the final temperature when the two are mixed? explain.