What is a three-dimensional structure that represents the alternating pattern of particles in a crystal? a polyatomic ion a crystal lattice an ionic bond a formula unit

Light travels through space at 186,282 miles per second and it takes about 1.3 seconds for light to travel from the moon to earth. which of the following is the correct method of finding the distance, in miles, between the moon and earth? add 186,282 and 1.3 divide 186,282 by 1.3 multiply 186,282 by 1.3 subtract 1.3 from 186,282