Find the sum. Express the answer in scientific notation. (1.54x 10°)+(6.15 x 10)
7.69 x 10
9.471x10
7.69 x 1012
9.471x1012

Write maxwell's equations and discuss the terms involved and the results of each equation in classical electrodynamics. if it is possible to write these equations in integral form, give the integral forms. find the wave equation for electromagnetic waves from the maxwell equations. what is the propagation velocity of electromagnetic waves in space according to the wave equation you find?

Can anybody me with this? ? (picture included.)

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.