What is the prefixe name of:1.5×10¹¹

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75

What is a carrier wave and how does it affect what you hear on the radio