Compute 3.5×4.48697. round the answer appropriately. express your answer numerically using the proper number of significant figures.

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils

Elizabeth has two separate samples of the same substance. sample is in the liquid state, and the other is in the solid state. the two samples most likely differ in which property?