the following number is written in standard notation express this amount using scientific notation .00228 tap left-right arrows to identify the proper location of the decimal point. Tap up-down arrows to identify the exponent.

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Calculate the number of molecules present in 0.750 mol of mgo.

One similarity and one difference between an element and a mixture of elements