If the image has a height of 16 cm but the object is 32 cm tall, what is the magnification power?

Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.

Why should seat belts not be mandatory quick plz

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?